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CO NBS TECHNICAL NOTE 881

U.S. DEPARTMENT OF COMMERCE/ National Bureau of Standards

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NATIONAL BUREAU OF STANDARDS

The National Bureau of Standards 1 was established by an act of Congress March 3, 1901. The Bureau's overall goal is to strengthen and advance the Nation's science and technology

and facilitate their effective application for public benefit. To this end, the Bureau conducts

research and provides: (1) a basis for the Nation's physical measurement system, (2) scientific and technological services for industry and government, (3) a technical basis for equity in trade, and (4) technical services to promote public safety. The Bureau consists of the Institute for Basic Standards, the Institute for Materials Research, the Institute for Applied Technology,

the Institute for Computer Sciences and Technology, and the Office for Information Programs.

THE INSTITUTE FOR BASIC STANDARDS provides the central basis within the United

States of a complete and consistent system of physical measurement; coordinates that system

with measurement systems of other nations; and furnishes essential services leading to accurate and uniform physical measurements throughout the Nation's scientific community, industry, and commerce. The Institute consists of a Center for Radiation Research, an Office of Measurement Services and the following divisions: Applied Mathematics — Electricity — Mechanics — Heat — Optical Physics — Nuclear

Sciences ~ — Applied Radiation " — Quantum Electronics * — Electromagnetics 3 — Time

and Frequency " — Laboratory Astrophysics " — Cryogenics ". THE INSTITUTE FOR MATERIALS RESEARCH conducts materials research leading to improved methods of measurement, standards, and data on the properties of well-characterized materials needed by industry, commerce, educational institutions, and Government; provides

advisory and research services to other Government agencies; and develops, produces, and

distributes standard reference materials. The Institute consists of the Office of Standard Reference Materials and the following divisions: Analytical Chemistry — Polymers — Metallurgy — Inorganic Materials — Reactor

Radiation — Physical Chemistry.

THE INSTITUTE FOR APPLIED TECHNOLOGY provides technical services to promote

the use of available technology and to facilitate technological innovation in industry and Government; cooperates with public and private organizations leading to the development of

technological standards (including mandatory safety standards), codes and methods of test; and provides technical advice and services to Government agencies upon request. The Institute consists of a Center for Building Technology and the following divisions and offices: Engineering and Product Standards — Weights and Measures — Invention and Innovation — Product Evaluation Technology — Electronic Technology — Technical Analysis — Measurement Engineering — Structures, Materials, and Life Safety 4 — Building

Environment 4 — Technical Evaluation and Application ' — Fire Technology.

THE INSTITUTE FOR COMPUTER SCIENCES AND TECHNOLOGY conducts research and provides technical services designed to aid Government agencies in improving cost effec- tiveness in the conduct of their programs through the selection, acquisition, and effective

utilization of automatic data processing equipment; and serves as the principal focus within

the executive branch for the development of Federal standards for automatic data processing

equipment, techniques, and computer languages. The Institute consists of the following

divisions: Computer Services — Systems and Software — Computer Systems Engineering — Information Technology.

THE OFFICE FOR INFORMATION PROGRAMS promotes optimum dissemination and

accessibility of scientific information generated within NBS and other agencies of the Federal Government; promotes the development of the National Standard Reference Data System and

a system of information analysis centers dealing with the broader aspects of the National Measurement System; provides appropriate services to ensure that the NBS staff has optimum

accessibility to the scientific information of the world. The Office consists of the following

organizational units: Office of Standard Reference Data — Office of Information Activities — Office of Technical

Publications — Library — Office of International Relations.

1 Headquarters and Laboratories at Gaithersburg, Maryland, unless otherwise noted; mailing address Washington, D.C. 20234.

3 Part of the Center for Radiation Research.

3 Located at Boulder, Colorado 80302.

Part of the Center for Building Technology.
tonal Sareau of Standards SEP 2 2 1375

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Critical Evaluation of Data in the

Physical SciencesA Status Report on the

National Standard Reference Data System April 1975

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Stephen A. Rossmassler, Editor

Office of Standard Reference Data

National Bureau of Standards

Washington, D.C. 20234

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U. S. DEPARTMENT OF COMMERCE, Rogers C. B. Morton. Secretary

James A. Baker. Ill, Under Secretary

Dr. Betsy Ancker-Johnson. Assistant Secretary for Science and Technology

NATIONAL BUREAU OF STANDARDS, Ernest Ambler. Acting Director

Issued September 1975
Library of Congress Catalog Card Number: 75-600066

National Bureau of Standards Technical Note 881

Nat. Bur. Stand. (U.S.), Tech. Note 881, 53 pages (Sept. 1975) CODEN: NBTNAE

U.S. GOVERNMENT PRINTING OFFICE

WASHINGTON: 1975

For sale by the Superintendent of Documents, U.S. Government Printing Office, Washington, D.C. 20402 (Order by SD Catalog No. C13.46:881). Price $1.10. (Add 25 percent additional for other than U.S. mailing).
PREFACE

The last report on the status of the National Standard Reference Data System

appeared more than two years ago. A number of new projects have been started since

that time, and major changes have been made in the method of disseminating the output

of the program. NSRDS data compilations have played a role in the attack on a number

of important national problems. The progress of the system, the plans for the future,

and some of the impacts of the programs are summarized in this Status Report.

The National Standard Reference Data System is intended to provide a basic service

to the entire scientific and technical community of the United States. The success

of the program depends very critically on feedback from the users of the output.

We welcome all comments, suggestions, and criticisms on the program.

David R. Lide, Jr. Chief, Office of Standard Reference Data

111
STAFF OF THE OFFICE OF STANDARD REFERENCE DATA

NATIONAL BUREAU OF STANDARDS

WASHINGTON, D. C. 20234

CHIEF: David R. Lide, Jr. (921-2467)

PROGRAM MANAGERS

Thermodynamics § Transport

Properties

Atomic £ Molecular Data:

Chemical Kinetics

Solid State Data:

Nuclear Data:

Colloid and Surface

Properties

Mechanical Properties

Data Systems Design:

Information Services

Howard J. White, Jr. (921-2581)

Stephen A. Rossmassler (921-2581)

Lewis H. Gevantman (921-2229)

Lewis H. Gevantman (921-2229)

Lewis H. Gevantman (921-2229)

Howard J. White, Jr. (921-2581)

Lewis H. Gevantman

Joseph Hiisenrath

(921-2229)

(921-2050)

(921-2228)

All telephone numbers are on Area Code 301

IV
Contents

PAGE

I . General Survey 1

A. Origin of the National Standard Reference 1 Data System

B. Organization of NSRDS \

C. Information Resources in the Office of Standard 2 Reference Data

D. Data Systems Design Activities 3

E. Standard Reference Data Legislation 4

F. Advisory Mechanism 4

G. International Cooperation 5

II. Recent Accomplishments 7

III. Active Data Evaluation Projects 12

A. Thermodynamic and Transport Properties 13

B. Atomic and Molecular Data 18

C. Chemical Kinetics Properties Data 22

D. Solid State Properties 23

E. Nuclear Data 26

F. Mechanical Properties 28

Appendices

Appendix I : Authorities : FCST Policy and 30 Standard Reference Data Act

Appendix II: NSRDS Publications List 33
ABSTRACT

This is a report on the status of the National Standard Reference Data System

as of April 1975. Current activities and functions of the Office of Standard Reference

Data are summarized. A complete list of data evaluation projects supported by the

Office of Standard Reference Data during Fiscal Year 1975 is included; this list

also includes projects which received financial support during the previous fiscal

year, and which are still actively involved in some aspect of data compilation and

evaluation. The list of projects includes continuing data centers in the United

States whose activities fall within the scope of the system, but which are not formally

affiliated with it. A list of publications resulting from the Standard Reference

Data program is provided.

Key words: Atomic and molecular data; chemical kinetics; colloid and surface properties;

mechanical properties; nuclear data; standard reference data; solid state data;

thermodynamic data, transport properties.

VI
CRITICAL EVALUATION OF DATA IN THE PHYSICAL SCIENCES

A STATUS REPORT ON THE NATIONAL STANDARD REFERENCE DATA SYSTEM

April 1975

I. GENERAL SURVEY

A. Origin of the National Standard Reference Data System

The formal existence of the National Standard Reference Data System dates from

1963, when the Federal Council for Science and Technology asked the National Bureau

of Standards to assume primary responsibility in the Federal Government for promoting

and coordinating the critical evaluation of numerical data in the physical sciences.

The program was conceived as a decentralized national effort, with financial support

coming from .a variety of Government and private sources, but with NBS responsible

for the overall planning and coordination. The existing data compilation activities

supported by NBS and other Government agencies were to be strengthened, new projects

started in neglected technical areas , and the entire effort molded into a coherent

program.

The technical scope of the program is restricted to well-defined physical and

chemical properties of substances and systems which are well-characterized. While

this definition leaves some borderline cases , the intent is to concentrate the effort

on intrinsic properties which are clearly defined in terms of accepted physical theory.

Properties which depend upon arbitrarily defined characteristics of the measurement

technique are generally excluded. Likewise, materials of uncertain or variable composition

are not included. Biological properties and data relating to large natural systems

( e.g. , the atmosphere, the oceans) also fall outside the program.

One major aim of the program is to provide critically evaluated numerical data, in a convenient and accessible form, to the scientific and technical community. Certain

secondary outputs, such as annotated bibliographies and procedures for computerized

handling of data, are also made available. A second aim is to provide feedback into

experimental programs to help raise the general standards of measurement. That is,

by communicating the experience gained in evaluating the world output of data in

the physical sciences, NSRDS helps to advance the level of experimental techniques

and improve the reliability of physical measurements.

B. Organization of NSRDS

When the National Bureau of Standards accepted the primary responsibility for

the National Standard Reference Data System, the Office of Standard Reference Data

(OSRD) was established at NBS to manage the program. This office is now located

under the Associate Director for Information Programs. The OSRD performs several

functions. It has the responsibility for allocating that part of the NBS budget which

is spent on critical data evaluation, both within the NBS technical divisions and

through contracts with outside groups. The staff of the office act as monitors for

all projects which are supported. The management of the publications program of

NSRDS is also in the hands of OSRD, and an information service is operated on a limited

scale. In addition, OSRD maintains close contact with other data compilation activities,

both in the United States and abroad. It attempts, both domestically and internationally,

to avoid needless duplication and to encourage coverage of all important technical

areas. Finally, a small group within OSRD is engaged in research and development

on computer handling of data and in application of automated procedures to the activities

of data centers.
The actual compilation and evaluation of data takes place in many widely separated

groups. It is these groups which form the components of the National Standard Reference

Data System. The fact that these groups vary greatly in size, organizational structure,

and source of financial support leads to a certain degree of diffuseness in the system.

However, it is instructive to recognize two broad types of components in NSRDS.

The first is the continuing data center, which has a charter (formal or informal)

to cover a certain technical area on a continuing basis. Ideally, such centers have

an assurance of stable long-term financial support. The task of a data center is to search the world literature on a regular basis, to retrieve and index papers within

its scope of interest, to extract the numerical data, and to carry out critical evaluation

leading to publication of tables or reviews. Many of the centers are highly mechanized

and have large, computer-based files from which bibliographic citations and data

can be retrieved. Generally, they are able to respond to requests for specific information

from the scientific public.

The other type of component is the individual scientist (or small group of collaborators) who produces a "one-shot" compilation or critical review as a part 01 wnat

he regards as his normal scientific activity. Many valuable data compilations have

been produced in this way. Such individuals do not consider themselves part of

a formal data center, and there is generally no commitment for continuity or updating.

The rapid growth of the scientific literature makes it increasingly difficult for an individual to do this type of compilation. However, the continuing data centers can serve a useful function by providing bibliographic back-up for individual scientists

in other locations who wish to write critical reviews or do critical compilations

of limited scope.

In the pattern which has emerged, it is clear that both types of components are essential for the successful operation of the National Standard Reference Data System.

The concentration of the bibliographic phase in a relatively small number of continuing

data centers offers many advantages . While these centers carry out some of the critical

evaluation of the data, they generally do not have the expertise on their own staff

to cover every aspect of the field in question. By enlisting the help of specialists

in other institutions for evaluations and critical reviews, the data centers can greatly increase the utilization of their resources.

One of the primary goals of the Office of Standard Reference Data is to establish

continuing data centers in all technical areas which fall within the scope of the

program. In addition, the office attempts to provide funds for individual compilations

and critical reviews of well-defined scope and duration. Since the resources of

OSRD are limited, every effort is made to persuade other agencies and private organizations

to participate in the support of these activities.

C. Information Resources in OSRD .

1. OSRD Library . The Office of Standard Reference Data has built a broad, although

selective, collection of reference data compilations and ancillary publications within

the scope of the NSRDS. A list of the holdings was published in September 1970 as NBS Technical Note 554 , Annotated Accession List of Data Compilations of the NES

Office of Standard Reference Data . NBS Technical Note 554 listed about 1300 documents

The collection has continued to grow. As of June 30, 1974, the OSRD Library housed over

3000 publications--one of the most extensive holdings of this scope in the world.

This is not a lending library, but the use of the documents by visitors within the

library is encouraged.

2. Inquiry Services . The Office of Standard Reference Data attempts to answer, within restrictions composed by limited staff and time, inquiries concerning data

in the physical sciences and engineering. Information and data are provided from

NSRDS publications and other available sources. Inquiries may be referred to data

centers and individual specialists in NBS and elsewhere. At times references are provided; if available and appropriate, copies of publications or excerpts therefrom

containing the requested data are furnished. OSRD normally receives about 1000 requests

and inquiries per year. Under a recently-established cost-recovery program, custom

services which require a substantial amount of time are billed to the requestor.
D. Data Systems Design Activities .

The Data Systems Design Group is engaged in computer programming, systems design,

and application. Activities of the group focus on the design and application of

a number of general -purpose computer programs for storage and retrieval; file manipulation;

and computer-assisted text preparation, editing and printing. In the latter area,

the Group is working in close collaboration with the Electronic Printing section

of the NBS Office of Technical Publications in developing and applying a variety

of computer- based systems for more effective use of the Electronic Composing System

at the Government Printing Office.

The work includes four main categories

1. Development of general -purpose computer programs required for the generation

and updating of data files and the preparation of publications therefrom.

2. The design of computer-based data files and the associated retrieval systems

needed to make them accessible to as wide a segment of the technical community as

is economically possible.

3. Consultation and advisory services to the data centers adhering to NSRDS.

4. Source automation of technical manuscripts.

Current activities of the Data System Design Group include:

1. Computer-Assisted Text Editing and File Manipulation .

The writing of general -purpose programs is continuing with the purpose of

developing a system of compatible programs which will exploit the capabilities of

the newest computer configurations. The programs and the subroutines they require

are being written in ANSI Standard FORTRAN IV. The use of a standard FORTRAN and

other self-imposed restraints will make it easier to use the programs on a variety

of machines.

2. Automatic Typesetting and Composition of Data Tables .

Valuable experience has been gained in writing computer programs to convert

existing tapes for automatic typesetting of NSRDS publications. An important consideration

in this work is to design the programs insofar as possible for general rather than

specific applications. While complete generality has not been achieved, the programs

produced thus far have wider applicability than to the documents on which they were used.

3. Applications of the General Purpose Scientific Document Code.

The text handling system based on the General Purpose Scientific Document

Code (GPSDC) is now used by most of the NSRDS data centers , including those located

away from NBS. Interface programs have been written that permit textual information

keyboarded on the ATS text editing system to be converted to GPSDC. This allows

the use of a Model 37 teletype with an on-line text-editing system to prepare material

to drive the Linotron at the Government Printing Office directly using the GPSDC

programs. A program has also been written to convert a GPSDC document to ATS to permit on-line text editing of the material.

4. Source Automation of Technical Manuscripts .

During the calendar year 1973 and 1974 over 20% of the titles published in

the Journal of Physical and Chemical Reference Data were prepared for publication

using automated procedures which feed more or less directly into computerized typesetting

machines. During this same period 50% of the papers of the Office of Standard Reference

Data that were published via the Government Printing Office were fully or partially

automated.
5. Data Analysis and Retrieval System . A data analysis and retrieval system named TODARS (Terminal Oriented Data

Analysis and Retrieval System") has been written and put into operation. It can be

used interactively from an ASCII terminal Or in the batch mode. The system is generalpurpose in that it can be used on many files. The data fields can be alphabetic

and/or numeric. The system is being used to search a number of NSRDS and other NBS

data files. TODARS is being used to make the necessary corrections on the Crystal

Data tapes, which will be released in the near future. A preliminary version of

the users manual has been drafted. After the users have had a chance to comment

and the manual has been enlarged and completed, it will be published as an NBS Technical

Note.

E. Standard Reference Data Legislation .

The Standard Reference Data Program was established under the general enabling

legislation of the National Bureau of Standards. In addition, in 1968 the Congress

provided specific legislative authority for the program through passage of Public

Law 90-396, the Standard Reference Data Act. The text of the Act is given in

Appendix I.

One of the principal features of PL 90-396 is the provision of authority for

recovering some of the cost of the program through user charges. In order to make

this possible, the Secretary of Commerce is authorized to copyright publications

which result from the program and to assign this copyright to others. Several contracts

have been negotiated under this authority. In particular, OSRD has contracted with

the American Chemical Society and the American Institute of Physics to publish the

quarterly Journal of Physical and Chemical Reference Data . This Journal has completed

its third year of publication. With the appearance of the last issue of Volume 3, 59 data compilations have been disseminated to users through this medium; in addition,

two major compilations have appeared as Supplements. Subscriptions to the Journal

and sales of Supplements and individual reprints have provided a useful financial'

return to the program.

Other channels for cost recovery have also been established. They include:

1. Sale of reports and magnetic tapes through the National Technical Information

Service (NTIS)

2. A formal system by which Data Centers charge for custom information and

data services

3. A cooperative undertaking with Plenum Press in the publication of a series

of NSRDS-derived bibliographies on specialized topics.

F. Advisory Mechanism .

For good management, the NSRDS program must have reliable feedback from the scientific

and technical community. At the time the program was established, the services of

the National Academy of Sciences -National Research Council were enlisted for this

purpose. The Executive Committee of the Office of Critical Tables of the NAS-NRC

provided the focal point for advisory services to the Office of Standard Reference

Data. That Office arranged for meetings of advisory panels in the various technical

areas, which made recommendations on priorities to OSRD.

As a result of reorganization within the NAS-NAE-NRC, the Office of Critical

Tables was replaced in 1969 by the Numerical Data Advisory Board (NDAB) . The scope

of the NDAB includes numerical data of concern to all parts of science and technology.

The NDAB also serves as a focus for coordination with certain other national information

programs (such as the National Materials Advisory Board) and international programs

parallel to NSRDS. In this latter role, NDAB has responsibility for the US National

Committee for CODATA. International undertakings are described more fully in the

following section of this report.
The NDAB also administers advisory panels in several of the program areas of

NSRDS. These panels meet periodically to discuss needs and priorities within each

program area. The membership of the panels is drawn from industry, universities,

and Government; an effort is made to achieve coverage of the major specialities within

each area. The NDAB submits a report to OSRD after each panel meeting, in which

the current activity is appraised and suggestions made for future emphasis.

In addition to the principal advisory panels, ad hoc subpanels are convened at

the request of OSRD to discuss problems of a more specific nature. Subpanels of

this type have been organized in fields such as Mossbauer spectroscopy, interatomic

distances, electrical properties of solids, and thermodynamic properties of aqueous

electrolyte solutions. Meetings of such groups have led to the establishment of new compilation projects or (in some cases) to the recommendation of procedures for

obtaining and reporting experimental data in the particular field. The NDAB also

serves as co-sponsor with OSRD of symposia and conferences on special topics when

a broader level of professional interaction appears appropriate to a special subject.

In its broader responsibilities, NDAB is concerned with data outside the physical

sciences and with data on less well-defined properties and substances.

G. International Cooperation .

In the period since the establishment of NSRDS, data evaluation activities in

other parts of the world have increased considerably. Formal governmental programs

similar to NSRDS have been established in several countries. In the U. K. , the Science

Research Council administers a program which includes the support of a number of

data centers in the physical sciences. In the Soviet Union, the Academy of Sciences

supports several data evaluation projects, and the State Service for Standard Reference

Data (GSSSD) has broad responsibility for scientific and technical data. The Office

of Standard Reference Data maintains liaison with these groups with the aim of avoiding

duplication in data compilation projects and promoting maximum compatibility of output.

Proposals requesting support of projects in subject areas of mutual concern are exchanged

for comments.

The establishment of the Committee on Data for Science and Technology (CODATA)

in 1966 has provided a formal framework for international cooperation. CODATA is a committee of the International Council of Scientific Unions (ICSU) and contains

representation from twelve international unions and, at present, fifteen countries,

plus two associated organizations. The Secretariat is located in Paris. The main

purpose of CODATA is to encourage, on a world-wide basis, the production and distribution of critically evaluated numerical data. One of its first tasks was to publish

an International Compendium of Numerical Data Projects (Springer-Verlag, New York--

Heidelberg-Berlin, 1969) . This volume lists identifiable data compilation projects

throughout the world, with information on their scope, mode of operation, and form

of dissemination of output. A revision is in progress.

CODATA has established task groups in a number of special areas, including computer

handling of numerical data, publication guidelines for presentation of data, accessibility

and dissemination of data, key values of thermodynamic properties, chemical kinetics,

and fundamental physical constants. On the basis of immediate scientific impact,

two products of CODATA task groups stand out. The first is the adoption and publication

of standard values for thermodynamic properties of certain key substances. These

internationally-endorsed values will increase the level of consistency and compatibility

of thermodynamic calculations throughout the world. The second significant result

is the adoption in 1973 of a new set of values for the fundamental constants.

In other areas , CODATA task groups have received endorsement and sponsorship

by Unesco on topics of common interest. The resources of CODATA are used by Unesco

in constructing UNISIST, a proposed world scientific and technical information system.

Members of NSRDS data projects and staff members of OSRD have been active in all

of the CODATA task groups.
Coooeration with data grouos in the Soviet Union has taken place fcr a -umber

of years under the auspices of international organizations such as CODATA and IUPAC.

This interaction has been particularly strong in the area of thermodynamic data,

where representatives from the NSRDS Thermochemical Data Center and the Institute

for High Temperatures of the Soviet Academy of Sciences have worked together on the

establishment of key values of thermodynamic properties. Following the US-USSR agreement on Cooperation in the Fields of Science and Technology, signed May 24, 1972, these

interactions have been brought under the jurisdiction of the Joint Commission which

supervises the bilateral exchange program. At the present time, Standard Reference

Data is one of the items in the Cooperative Program in Metrology.

In addition to the work on key values of thermodynamic properties, there have

been close contacts in the areas of thermophysical properties of fluids and chemical

kinetics. The interaction has taken the form of exchange of data, exchange of bibliographies

and copies of publications, and consultation on formats for computer storage of data.

Discussions have taken place on the future possibility of joint preparation of thermodynamic

tables , in which data groups in the two countries would work on individual sections

which could be merged into the final tables.
I I . RECENT ACCOMPLI SHMENTS

In the time since the 1972 Status Report appeared, a number of significant advances

have occurred in the National Standard Reference Data System. They involve major new data evaluation projects, new cooperative undertakings, added service capabilities, or especially noteworthy data publications. These advances are described briefly

below.

Cooperative Project on Ethylene Data

Seven industrial organizations have joined with government and academic laboratories

under the program management of the Office of Standard Reference Data to develop

a definitive set of thermophysical and related thermodynamic properties of ethylene.

Ethylene is a major item of commerce and is currently produced in the United

States at the rate of over 23 billion pounds per year, which ranks it fifth in chemical

production. It is used, handled, and transported in the gaseous or liquid state. Such properties as the density of the gas or liquid as a function of temperature

and pressure, the extent of the gaseous and liquid regions, the enthalpy, and the

heat capacity are needed for handling ethylene in the plant, for equipment design,

and for custody transfer. Although there are formulations for these properties which

cover limited ranges of pressure and temperature satisfactorily, there is no adequate

comprehensive self -consistent set of properties. The new project is designed to fill this need. The project will require experimental measurements and data evaluation.

Experimental measurements will be carried out at NBS-Washington, NBS-Boulder Laboratories,

the Energy Research Center at Bartlesville, Oklahoma, and the University of Michigan.

Data evaluation will be carried out at NBS-Boulder Laboratories.

Financial support will be provided by the Office of Standard Reference Data and

the following companies: Celanese Chemical Company, Cities -Service Oil Company,

Continental Oil Company, Gulf Research and Development Company, Mobil Chemical Company,

Monsanto Polymers and Petrochemicals Company and Union Carbide Corporation. It is

expected that the project will take five years to complete.

Conference on Data for Energy Research and Development

A conference on Thermodynamics and National Energy Problems was held at Airlie

House in Warrenton, Virginia, on June 10-12, 1974. This conference was sponsored

by the Office of Standard Reference Data and four other government agencies and held

under the auspices of the Numerical Data Advisory Board of the National Academy of

Sciences. The purpose of the meeting was to assess the relevance of thermodynamics

to the national energy problem and to identify thermodynamic data needed for further

development of energy technology.

Survey talks on the current state of the art and identified data needs in various

areas were given by recognized experts in this field to set the stage for a series

of panel sessions which brought thermodynamicists , technologists, and users together

for extended discussions of data needs. The proceedings of the conference have been

published by the National Academy of Sciences. These proceedings will be helpful

in assessing priorities for funding of future projects.

International Organization for Thermodynamic Tables

A Subcommission on Thermodynamic Tables has been established within the Commission

on Thermodynamics of the Physical Chemistry Division of the International Union of

Pure and Applied Chemistry. The purpose of the Subcommission is to foster and coordinate

data compilation and evaluation activities on subjects in the field of thermodynamics.

An immediate concern is the Thermodynamic Tables Project, an activity devoted to the development of tables of thermodynamic properties of industrially important fluids.

This project has been active for a number of years and has cooperating projects in

several countries. Tables on argon and ethylene have been published and others are nearing publication. Several projects of the Office of Standard Reference Data cooperate

with the Thermodynamic Tables Project and a staff member of the OSRD is currently

Secretary of the Subcommission.
International Association for the Properties of Steam

Because of the great importance of steam as a working fluid in power generation,

the need\for internationally accepted values of its properties of high accuracy has

been recognized for a long time. Steps to generate internationally accepted tables were initiated 50 years ago and the task is currently the responsibility of the Interna- tional Conferences on the Properties of Steam and the administrative organization

which runs the Conferences and carries out their wishes, the International Association

for the Properties of Steam. Several projects of the Office of Standard Reference

Data make contributions to the work of the IAPS and a staff member is its Executive

Secretary.

Data for Waste Incineration, Part 2

Previous collaboration between the Office of Standard Reference Data and the

ASME Research Committee on Industrial and Municipal Wastes resulted in a book, Combustion

Fundamentals for Waste Incineration , published in 1974 by ASME under the sponsorship

of the Committee. This book, intended to be a handbook for incinerator design and

operation, contains a set of thermodynamic tables with detailed instructions on the use of the tables and other thermodynamic calculations in designing and controlling

combustion processes for incineration. The tables were prepared by the Chemical

Thermodynamic Data Center in the Physical Chemistry Division of the National Bureau

of Standards.

A new collaboration has recently been initiated. The tables referred to above cover single substances of well-defined composition. However, materials of complex

composition such as newspapers, automobile tires, etc., find their way into incinerators

as well. Data on the combustion properties of these materials that are available

in the literature will be compiled and evaluated by the Chemical Thermodynamic Data

Center and put into tabular form to augment the existing tables and expand their

usefulness in incinerator calculations.

Thermal Conductivity of the Elements

A milestone was reached when the Thermophysical Properties Research Center at Purdue completed an evaluation of the thermal conductivities of the elements. This

comprehensive study covers all of the elements over the entire temperature range

for which data are available. It is published as Supplement No. 1 to Volume 3 (1974)

of the Journal of Physical and Chemical Reference Data and titled "Thermal Conductivity

of the Elements: A Comprehensive Review." An abridged, somewhat earlier version

has also been published ( Journal of Physical and Chemical Reference Data , 1_, 279, 1972).

Another result was a paper, "Thermal Conductivity of the Elements," published

in Science , 14 September, 1973, Volume 181, pages 999-1008. In this paper the authors

discussed what they had found out about this field as a result of systematically

reviewing the data in it. Several interesting results were obtained. In the decade

between this review and the previous systematic compilation of the same data, the

recommended values had changed 20% or more for 22 elements. No experimental data were found for 23 elements; most were very rare but calcium and strontum were included.

Finally, it was possible to condense the needs for further measurements on a detailed

element-by-element basis to two printed pages.

1973 Values for Fundamental Constants

Dr. E. Richard Cohen of Rockwell International and Dr. Barry N. Taylor of the

National Bureau of Standards' Institute for Basic Standards have recently redetermined

the "best values" of the fundamental physical constants on the basis of a least-squares

adjustment of accumulated experimental data. The work was done under the immediate

auspices of the Task Group on Fundamental Constants of the Committee on Data for

Science and Technology (CODATA) , International Council of Scientific Unions. The

Task Group served in an advisory capacity. Financial support for the project was shared among Rockwell International, the NBS Institute for Basic Standards and the

NBS Office of Standard Reference Data. The new recommended values of the constants

and their estimated uncertainties have been officially adopted by CODATA as a consistent

set of fundamental constants.
The 1973 adjustment of the fundamental constants is the outcome of a review and

analysis of all the experimental and theoretical data that bear on determination

of their numerical values. Experimental results and methods were carefully scrutinized

and compared. In some cases, later improvements in theory or the detection of overlooked

experimental bias revealed the presence of non-negligible errors; and appropriate

corrections were worked out, often with the assistance of the original investigators.

In the case of the' speed of light, all older determinations were discarded in favor

of the recent measurements using lasers, whose uncertainty is smaller by a factor

of about 75. The analysis also took into account the uncertainties in the standards

of measurement as maintained by various national laboratories. An optimum solution

is obtained by the least -squares method.

In recommending official adoption of Cohen and Taylor's 1973 adjustment of the

constants, the CODATA Task Group noted that:

"The accuracy and consistency of this adjustment are significantly improved with

respect to either the 1963 analysis or the 1969 analysis', yet there are critical

areas where additional measurements and theoretical calculations are indicated.

The most important of these are the proton gyromagnetic ratio (both high and low

field measurements) and the fine structure in hydrogen. . ."

Identification of areas where further measurements and theory development are particularly needed is one of the important by-products of the analysis underlying

the revision of the constants. Summing up, the Task Group states:

"For the great bulk of physical and chemical data, where consistency of usage

and traceability are perhaps as important as accuracy (and with the recognition that

absolute accuracy is a prize that will always elude our grasp) , these values should

serve as a standard reference set for the next several years."

Data for Radioastronomy

The discovery of formaldehyde in the interstellar medium in 1969 created a sudden

demand for microwave spectral data. The radioastronomers who needed the data were

unfamiliar with microwave spectroscopy and unable to judge the quality of the existing

laboratory data. NBS Monograph 70, "Microwave Spectral Tables" (the last volume

of which was published shortly before the discovery) immediately became the "bible"

of this field. It was the basis for planning virtually all of the searches for other

molecules in space and for identifying new spectral lines that were detected.

As the most abundant molecules were detected and cataloged, the need for more

extensive and accurate lists of microwave spectral lines became apparent. When one molecule was known to be prevalent in interstellar space ( e.g . , formaldehyde, methanol),

the possibility that a new line detected in a different spectral region belonged

to that molecule had to be considered. The lack of reliable laboratory data over

a wide spectral range inhibited both the planning of observations and the interpretation

of new results. To meet this need, the NSRDS Microwave Data Center has compiled

complete spectral charts of the important molecules already observed or believed

to be present. Through a critical evaluation of existing laboratory data and the use of theoretical models to extrapolate into spectral regions where no experimental

measurements are available, the Center has produced definitive spectral tables with

rigorous uncertainty limits. These tables have become basic reference sources in

all observatories engaged in studies of interstellar molecules.

The accuracy of the reference data tables is unusually sensitive in these applications.

There is a heavy demand for telescope time , and observations must be scheduled far

in advance. The time required to search for a given spectral line is directly proportional

to the uncertainty in the predicted frequency of that line. The ability to specify

this uncertainty with confidence leads to much more efficient use of telescope time.
Although there are only a small number of radioastronomers in the United States,

the cost of conducting this research is very high. The construction cost of a typical

telescope is about $4 million, and operating costs average $200 per hour. Thus the

greater efficiency resulting from the availability of accurate reference data has

considerable leverage in increasing the output per research dollar.

Cooperative Efforts to Improve Spectroscopic Data

Continuing focus on upgrading the quality of spectroscopic data (especially in

relation to applied and analytical uses) is the concern of the Joint Committee for

Atomic and Molecular Properties (JCAMP)

This volunteer organization brings together the users and the generators of atomic

and molecular physical data. It cooperates closely with the Office of Standard Reference

Data of the National Bureau of Standards in attempting to identify and help fill

needs for data that are relevant to national problems. The committee is composed

of representatives from the American Chemical Society, American Society for Mass

Spectrometry, American Petroleum Institute, American Physical Society, American Society

for Testing and Materials, Coblentz Society, Manufacturing Chemists Association,

Optical Society of America, Society for Applied Spectroscopy, and the Spectroscopy

Society of Canada.

Past activities of the Joint Commission have been directed toward evaluation

and publication of evaluated infrared spectra in cooperation with the Coblentz Society,

which has now published 5000 evaluated infrared reference spectra. Guidelines for

the evaluation, developed by Coblentz Society Board of Managers and published in

1966, have served as a model for subsequent development, now underway by Joint Committee

subcommittees, of similar specifications relating to mass spectra and Raman spectra.

These documents should be completed and available during 1975. The ultimate aim

is that such guidelines will be adopted by all those who generate and publish spectral

data, including journal editors, so that the quality of published data will be upgraded

and will be assessable by the user.

Kinetics Data for Atmospheric Chemistry

The Chemical Kinetics Information Center (CKIC) has continued to play a key role

in attacking problems relating to both the upper and the lower atmosphere. As part

of the Climatic Impact Assessment Program (CIAP) set up by the Department of Transportation,

CKIC assembled a "standard" set of rate constants for use by modellers investigating

the impact of supersonic transport flights on ozone in the stratosphere. Similar

input is being provided to studies of the effect of freons on possible ozone depletion.

The Center has also actively supported modellers concerned with the urban troposphere,

supplying 127 rate constants needed for a model of the real atmosphere in Northern

New Jersey.

In a related area, the CODATA Chemical Kinetics Task Group has been promoting

a number of efforts concerned with chemical kinetic data. These efforts have culminated

in a series of actions , one of which is aimed at upgrading the reporting of kinetic

data in the world literature. A report entitled "CODATA Guidelines on Reporting

Data for Chemical Kinetics" has been published in CODATA Bulletin No. 13. In addition,

the Task Group has been instrumental in convening a symposium entitled "Symposium

on Chemical Kinetics Data for the Lower and Upper Atmosphere." The meeting, which

was sponsored jointly by CODATA, NBS, Environmental Protection Agency, Department

of Transportation, and Stanford Research Institute attacked the kinetic data problems

current] y encountered in dealing with the natural and polluted atmosphere and the

measurements needed to solve those problems which remain.

Solid State Data Center Interactions

The Electronic Properties Information Center (EPIC) was recently transferred

to Purdue University to become a unit in the data center complex there, which now

consists of the Thermophysical Properties Research Center, the Underground Excavation

and Rock Properties Information Center, the Thermophysical and Electronic Properties

Information Analysis Center, and EPIC. A consideration of activities to be pursued

within the scope of the Centers' program in optical, magnetic and electronic prop10
erties resulted in an examination of cooperative efforts between EPIC and ongoing

OSRD sponsored groups. Useful visits were exchanged between representatives from

Research Materials Information Center (RMIC) at Oak Ridge, NBS and EPIC to discuss

data projects on optical properties of materials. These visits culminated in the

formation of a cooperative project for evaluating refractive index data of laser

windows and other laser-related materials.

Similarly, representatives of EPIC and the Alloy Data Center met to examine areas

of mutual interest in the alloy data field. Although it was clearly established that

the two groups' activities did not overlap it was agreed that close liaison be established

for the exchange of information which could be of mutual benefit of each Center.

Critical Survey of Mechanical Properties Data Sources

A new series of critically annotated listings of sources of numerical data, including

publications and data centers, has been initiated with the publication of NBS Snecial

Publication 396-1, "Critical Surveys of Data Sources: 1. Mechanical Properties of

Metals," by R. B. Gavery, R. L. Moore, and J. H. Westbrook, September, 1974,

$1.25, SD Catalog No. C13. 10: 396-1. This series is designed to assist both engineers

and scientists in locating the source of numerical data which best meets their particular

needs among the many handbooks, data compilations by societies and trade associations,

information centers, and other sources. Other surveys in this series now in the

process of final review cover electrical and magnetic properties of metals, and properties

of ceramics. A survey covering corrosion data has just been initiated, and the feasibility

of a survey covering plastics is under study. The emphasis in all cases is on sources

of data covering structural and other commercial materials, and the properties used

by designers and others using such materials.

Automation of Technical Compendia at the Source

Publications of several NSRDS data centers are now being routinely prepared at the source in machine readable form with dramatic reduction in the costs of typesetting.

The Radiation Chemistry Data Center at Notre Dame University has supplied the text and tables of six NSRDS reports on magnetic tape. Four of these reports have been

published and two are in process. The Fundamental Vibration Frequencies of Molecules

project at the University of Tokyo, Japan, has supplied the tables for three papers

in the Journal of Physical and Chemical Reference Data on punched cards using a coding

scheme developed by NBS for input to GPSDC. The original cards are saved and updated.

They will be used for a consolidated volume to be published in 1975. The material

from both centers was processed by programs developed by OSRD to produce a magnetic

tape to drive a Linotron phototypesetting machine. The tables for five other papers

in the Journal of Physical and Chemical Reference Data were also supplied on magnetic

tape and processed by the NBS Computer Assisted Printing Section.

NSRDS Data Files Available for Distribution on Magnetic Tape

The Office of Standard Reference Data has two magnetic tapes available that are for sale by the National Technical Information Service for $250 each. These

are:

NBS Magnetic Tape 2, FORTRAN Programs for Text Edition, File Manipulating and

Automatic Typesetting, contains blocked card images for a series of FORTRAN programs

consonant with NBS Technical Notes #444, #470, #500, and #700 which document FORTRAN

programs for data-manipulation and typesetting of technical manuscripts. The Technical

Notes are supplied to purchasers of NBS Magnetic Tape 2.

NBS Magnetic Tape 3, Bibliography and Index to the Literature in the NBS Alloy

Data Center , is a copy of the IiIJS Alloy L»ata Center's annotated bibliographic file

as of January Q, 1Q73 i" MocVed card images. The following information is provided

for each reference: the first author and the Journal citation;- main experimental

technique; physical properties, materials studied (metals, and alloys, up to quar ternary)

material composition and temperature at which the work was performed. The format

of the card image and the codes used are described in NBS Tech Note 464 which is

supplied with the tape.

11
III. ACTIVE DATA EVALUATION PROJECTS

The scope of the Standard Reference Data program has been divided into seven

technical areas for operational convenience: (1) Thermodynamic and Transport Properties,

(2) Atomic and Molecular Data, (3) Chemical Kinetics, (4) Solid State Data, (5) Nuclear

Data, (6) Colloid and Surface Properties, and (7) Mechanical Properties. This chapter

is devoted to progress reports and project listings for these technical areas.

The lists which follow identify both individual, short-term projects and continuing

data centers which receive at least a part of their support from the Office of Standard

Reference Data. A supplementary list of continuing data centers in the United States

which are recognized as part of NSRDS (even though they do not receive direct financial

support from NBS) follows the project descriptions in each technical area.

12
A. THERMODYNAMIC AND TRANSPORT PROPERTIES

The program on thermodynamic and transport properties is primarily structured to provide broadly based sets of data which have utility in many areas of science and technology. However, an important fraction of the program is devoted to specific current

data needs. Emphasis has been placed on chemical thermodynamics and in particular the

properties of fluids. Efforts are underway to increase coverage of the thermodynamics

of solids.

1Title : Chemical Thermodynamic Data Center

Location : Physical Chemistry Division, NBS, Washington, D.C. Project Leader : D. Wagman

Description : This center compiles data on the chemical thermodynamic properties

of chemical substances on a continuing basis. Data on inorganic and selected

organic substances are being evaluated to provide tables of enthalpies , entropies

and Gibbs energies of formation in their standard states at 298K. These tables

are published periodically in the NBS Technical Note 270 Series.

The center's activities are highly automated. The center provides the inorganic

section the overall substance -property index and the final copy for the Bulletin

of Thermodynamics and Thermochemistry each year. New techniques for using

computer solutions for large sets of equations are being developed to provide

self -consistent sets of chemical thermodynamic data. These developments are being carried out jointly with workers in the United Kingdom.

In another cooperative program under the auspices of CODATA, key values for

selected substances are being prepared jointly with a group at the Institute for

High Temperatures in Moscow under the direction of an international advisory

committee

Current work involves compounds of the actinides and the alkali metals. For the

former the center is coordinating its efforts with those of a group working

under the sponsorship of the IAEA.

2. Title : Thermodynamic Data for Industrial and Municipal Incinerator Processes

Location : Physical Chemistry Division, NBS, Washington, D. C. Project Leader : E. Domalski

Description : Tables developed in a previous project were incorporated in a book

entitled Combustion Fundamentals for Waste Incineration , sponsored by the ASME

Research Committee on Industrial and Municipal Wastes. This book provided thermodynamic information for incinerator designers and process engineers. In particular enthalpy of formation data were provided on materials identifiable

by a single stoichiometric formula. However, there are other substances such as wood, newspapers, tires, etc., for which heat of combustion data may be available,

and which often are processed through incinerators. This project is designed to extend the tables in the handbook to include data on such materials. The files

of the Chemical Thermodynamics Data Center will be used for this project.

13
3. Title : Thermodynamic Data on Organic Compounds

Location : Texas A§ M University, College Station, Texas

Project Leader : B. J. Zwolinski

Description : This is a continuing project to provide reliable and complete data on important organic compounds ,to meet the needs of science in general, and the

chemical and petrochemical industries in particular. The present emphasis is on

the chloro- and fluoro -derivatives of methane and ethane in the ideal gas state

and on a key set of organic oxygen compounds containing one to four carbon atoms

per molecule in the solid, liquid and gaseous states. These compounds are key

compounds that will serve as a basis for extrapolation and estimation of data

for higher molecular weight chemical substances . This Center also prepares the

organic sections of the substance -property index and the bibliography of the

Bulletin of Thermodynamics and Thermochemistry .

4. Title : Thermodynamic Properties of Polar Fluids

Location : Heat Division, NBS, Washington, D. C. Project Leader : M. Klein

Address Inquiries to : L. Haar

Description : This project is concerned with the description of the PVT surfaces and

derived thermodynamic properties of one component polar fluids. A formulation

of the properties of ammonia from the melting line to 750K and to pressures of

10,000 atmospheres has been completed and is being prepared for publication. Work

is underway on the ideal -gas properties of water and the data for the gaseous

and liquid phases are being examined to determine whether a new formulation for

water is needed at this time.

5. Title : Cryogenic Data Center

Location : Cryogenics Division, NBS, Boulder, Colorado

Project Leader : N. A. Olien

Description : The Cryogenic Data Center maintains a thorough and systematic review

of the current published report and patent literature of importance in the cryogenic

field. Relevant papers are entered into an automated information system which

permits speedy and flexible retrospective searching. The Center provides a weekly

cryogenic current awareness service and quarterly reports covering liquified natural

gas and superconductivity. Users subscribing to the Center's current awareness

services or requiring major literature searches numbered more than 1200 in FY '74.

6. Title : PVT and Related Thermodynamic Properties of Ethylene

Location : See below

Project "Leader : H. J. White, Jr., Office of Standard Reference Data, NBS,

Washington, D. C.

Description : This project is supported jointly by industrial organizations and

the government. The goal is a comprehensive, high-quality, self -cons is tent set of densities and related thermodynamic properties of ethylene. Since the

data in the literature do not allow the preparation of such a set to the level

of accuracy desired, the project involves selected measurements as well. Various

portions of the work will be carried out at NBS laboratories , the ERDA Energy

Research Center in Bartlesville, Oklahoma and the University of Michigan. Measurements involved include measurements near the critical point, properties of the

compressed liquid, the speed of sound and the heat capacity. Support for the

project comes from several industrial corporations, as identified in Section II,

Recent Accomplishment ; (above)

14
7. Title : Thermodynamic Properties of Fluids in the Critical Region

Location : Heat Division, NBS, Washington, D. C. Project Leader : M. Klein

Address Inquiries to : J. M. H. Levelt Sengers

'Description: Experimental measurements near the critical point are difficult;

properties change abruptly and have unexpected values. Recent theoretical

developments have provided superior methods for formulating properties in the

critical region. This project has been concerned with the further development

of these methods for evaluation of thermodynamic data in the critical region.

Techniques have been developed to compare different sets of measurements of the same property and to compare measurements on different thermodynamic properties

so that self-consistent formulations in the critical region can be developed.

The data available for

3He,

4He,

?

, Xe, CO,, and HO have been evaluated and

suitable formulations obtained. Estimated formulations have also been obtained

for Ar, Kr, N

2

, H

2

, Oi^, C^, SF

6

, and NH

3

, and compared to available data.

8. Title : Cryogenic Fluid Mixture Properties

Location : Cryogenics Division, NBS, Boulder, Colorado

Project Leader : D. E. Diller

Address Inquires to : M. J. Hiza

Description : This project is devoted to the compilation and evaluation of data on

fluid mixtures with emphasis on mixtures of cryogenic fluids. A comprehensive

bibliography of data for low temperature phase equilibria, densities and calorimetric measurements has been completed and is in press. Work is currently

in progress on compilation, evaluation and correlation of data for selected

close-boiling mixtures containing methane, nitrogen and argon. Compilation

and evaluation of data on additional systems is underway and the utility of

various evaluative and correlating techniques is being studied.

9. Title : Fused Salt Electrochemistry

Location : Rensselaer Polytechnic Institute, Troy, New York

Project Leader : George J. Janz

Description : This center compiles and evaluates data on molten-salt systems. The

properties covered are density, electrical conductivity, viscosity, surface tension,

reversible electrode potentials and to some extent vapor pressures. At the present

time, the first four properties are being covered for binary-salt systems. Reports

on halide mixtures are in press and in preparation.

10. Title : Aqueous Electrolyte Data Center

Location : Physical Chemistry Division, NBS. Washington, D. C. Project Leader : B. R. Staples

Description : The thermodynamic properties of aqueous electrolytes are collected from

the literature, organized and used to supply information services, reviewed and

evaluated. At present the osmotic and activity coefficients of polyvalent electrolytes are being evaluated. A report on calcium chloride is in preparation and

plans call for comprehensive evaluation of the data on 2:1 and 1:2 electrolytes.

Work has also begun on compiling data on the dielectric constant of water.

The center cooperates closely with the Chemical Thermodynamic Data Center.

15
11. Title : High Pressure Data Center

Location : Brigham Young University, Provo, Utah

Project Leader : H. Tracy Hall

Address Inquiries to : Leo Merrill

Description : This Center is concerned with the compilation and evaluation of

data on properties of substances at high pressures. Evaluated data have been

published on the phase changes and state changes that can be used to define a scale for pressure and on the behavior of the elements at high pressures. The

Center also publishes a current awareness service.

Current effort is directed to the evaluation of data on the behavior of compounds

at high pressures. Work on AB compounds is nearing completion.

12. Title : Fluid Transport Properties

Location : Cryogenics Division, NBS, Boulder, Colorado

Project Leader : H. J. M. Hanley

Description : This project is concerned with the transport properties of fluids.

Recent theoretical developments relating the transport and equilibrium properties

of fluids have been used to evaluate experimental data on transport properties

and to provide methods for interpolating between and extrapolating limited data

sets. These techniques allow development of formulations providing internally

consistent sets of data on thermodynamics and transport properties from limited

experimental results

These techniques have already been applied to the monotomic and simple diatomic

fluids and are currently being applied to CCL and to larger polyatomic molecules.

Preliminary investigations of proper methods for evaluating data on the transport

properties of binary mixtures of simple fluids have been started.

13. Title : Correlation of Thermophysical Property Data of Fluids

Location : University of Maryland, College Park, Maryland

Project Leader : J. V. Sengers

Description : This project is concerned with the evaluation and correlation of data on

the thermodynamic and transport properties of fluids in the neighborhood of the

critical point and with the development of needed data-correlating techniques applicable in the critical region. These properties exhibit unique, and, in some cases,

large changes as the critical point is approached and require special correlating

techniques to reproduce the observed behavior and to develop consistent formulations

covering more than one property. It is also necessary that any special techniques

used in the critical region merge satisfactorily with classical formulations known

to apply well away from the critical point.

14. Title : Thermal Conductivity

Location : Thermophysical Properties Research Center, Purdue University,

Lafayette, Indiana

Project Leader : Y. S. Touloukian

Description : This Center compiles data on 8 thermodynamic and transport properties of

materials-, over the temperature range for which data are available, on a continuing

basis. Another center in the same location compiles data on electrical and electronic

properties. At the present time data on thermal and electrical conductivity as functions of temperature and composition are being evaluated for selected binary

alloys. Data on C , viscosity, and thermal conductivity of 73 fluids are also being

evaluated. "

16
The following data centers, not directly under NSRDS program management, also supply

evaluated data relevant to this area of interest:

1. Title : JANAF Thermochemical Tables

Location : Dow Thermal Research Laboratory, Midland, Michigan

Director : H. Prophet

Coverage : Thermodynamic properties in the solid, liquid, and/or ideal gaseous state over the temperature range of 0-6000 K. Covered are the following elements:

Al, B, Ba, Be, Br, C, Ca, CI, Co, Cs, F, Fe, H, Hg, I, K, Li, Mg, Mo, N, Na, Nb,

0, P, Pb, S, Si, Sr, Ta, W, Zr, and e- and their simple compounds, principally

those with the halogens, oxygen, and hydrogen. Properties given are heat capacity,

entropy, Gibbs energy function, enthalpy (heat content) , heat of formation, and

Gibbs energy of formation for the ideal gas, liquid or solid state.

2. Title : Contributions to the Data on Theoretical Metallurgy

Location : Thermodynamics Laboratory, Albany Metallurgy Research Center,

Albany , Oregon

Director : E. G. King; Project Director : A. D. Mah

Coverage : The elements and their inorganic compounds of interest in metallurgical

and ceramic operations . Included are oxides , halides , carbides , carbonates

,

sulfides, sulfates, nitrates, nitrides, and some intermetallic and interoxide

compounds. Properties given include Gibbs energy, entropy, heat content (enthalpy),

high and low temperature heat capacity, heat and free energy of formation and phase

change, and vapor pressure.

3. Title : Thermochemistry for Steelmaking

Location : Department of Metallurgy, Massachusetts Institute of Technology, Cambridge,

Massachusetts

Director : J. F. Elliott

Coverage : Selected elements and compounds involved in the chemistry and technology

of steelmaking . The compounds include: carbides, nitrides, oxides, phosphides,

silicides , and sulfides . Binary and ternary iron alloys and solutions , complex

oxide systems, and slags are also treated. The properties include: heat content

(enthalpy) and temperature of phase changes; heat capacity; enthalpy, entropy and

Gibbs energy function as appropriate.

17
B. ATOMIC AND MOLECULAR DATA

The NSRDS program for Atomic and Molecular Data places major emphasis on two elements,

The first is preparation of data compilations on atomic and molecular spectroscopy, collision cross -section, ionization processes and related subjects. The second element is

cooperative development and application of data standards, evaluation criteria, and com- pilation planning for several of the specific fields of molecular spectroscopy. Panels

of outside advisors, including representatives of appropriate professional societies, are features of these latter efforts, which seek to coordinate and assist data compilation

activities. The Joint Committee on Atomic and Molecular Physical Data is an important

focal point for broad professional participation in such activities.

1. Title : Adjustments to Fundamental Constants

Location : Electricity Division, NBS, Washington, D. C. Project Leader : Barry N. Taylor

Description : This project provides for continuing overview of the latest

accomplishments in the field of precision measurements and fundamental

constants. The work is directed to new least-squares adjustments of the

values for the constants as required by the state of the art. Under this

project a quarterly preprint advisory service is maintained through the

publication of "Preprints on Precision Measurement and Fundamental

Constants (PPMFC)."

2. Title : Atomic Energy Levels Data Center

Location : Optical Physics Division, NBS, Washington, D. C. Project Leader : W. C. Martin

Address Inquiries to : Lucy Hagan

Description : This data center maintains a current bibliography on atomic

energy levels and spectra and compiles evaluated data in this area. A

compilation of the energy levels of iron in all 26 ionization stages

has just been completed, and a compilation of the levels of the

lanthanide atoms and ions is at an advanced stage. A bibliography

on atomic energy levels and spectra covering the period July 1971

through June 1974 will be published during FY 76.

3. Title : Transition Probabilities Data Center

Location : Optical Physics Division, NBS, Washington, D. C. Project Leader : W. L. Wiese

Description : The data center on atomic transition probabilities collects and

catalogs all the literature containing numerical data on this atomic quantity.

The data are critically evaluated and compiled in large tabulations, ordered

by elements and stages of ionization. Bibliographies and tables of recommended

data are the principal outputs of the center.

4. Title : Data Center on Atomic Line Shapes and Shifts

Location : Optical Physics Division, NBS. Washington, D. C. Project Leader : L. J. Roszman

Description : The data center on atomic line shapes and shifts collects and

catalogs all literature related to these atomic quantities. Bibliographies and critical reviews of experimental and theoretical data

are the principal output of the center.

18
5. Title : Electromagnetic Cross Section Compilations

Location : Center for Radiation Research, NBS, Washington, D. C. Project Leader : J. H. Hubbell

Description : The project involves operation of an OSRD- sponsored "X-Ray and

Ionizing Radiation Data Center" (formally "X-Ray Attenuation Coefficient

Information Center") which provides standard reference data on the interactions

of X-Rays, gamma-rays and charged particles with atoms and molecules and with

bulk matter. The purpose is to provide information needed for the safe and

efficient use of these radiations in nuclear energy technology, medicine, and

national defense applications. Up to the present the work has been concentrated

in the area of X-Ray cross sections ; added emphasis is now being given to the

compilation of charged particle cross sections and of radiation transport data

for engineering applications.

6. Title : Atomic Collision Cross Section Information Center

Location : Laboratory Astrophysics Division, NBS, Boulder, Colorado

Project Leader : Earl Beaty

Description : The Atomic Collision Cross Section Information Center collects

and evaluates data on low energy collisions between electrons, atoms,

molecules and photons. Comprehensive annotated bibliographies of papers

giving electron collision cross sections, photoabsorption and ionization

cross sections , and electron-gas interactions are current and kept

up to date. The total collection contains about 6,000 references. An

extensive data bank, stored on magnetic tape, is updated and used to prepare critical data compilations and critical reviews. An extensive

compilation of electron swarm data and a bibliography will be submitted

for publication. A critical review of atomic electron affinities will be initiated. A critical compilation of electron collision cross sections for atomic

hydrogen and the alkali metal atoms needed for modeling MHD plasmas will be

started.

7. Title : Data Center for Atomic and Molecular Ionization Processes

Location : Physical Chemistry Division, NBS, Washington, D. C. Project Leader : H. M. Rosenstock

Description : The activities of the Data Center consist of literature searching,

abstracting, critical evaluation and dissemination of data on ionization and

ion fragmentation thresholds and on heats of formation of gaseous ions.

8. Title: Diatomic Spectra Data

Location : Optical Physics Division, NBS, Washington, D. C. Project Leader : Paul H. Krupenie

Description : This project provides for the collection, critical evaluation,

and dissemination of spectral data for selected molecules of high interest.

Current work centers on the preparation of a monograph compiling the spectroscopic data on the nitrogen molecule. As the principal constituent of air,

nitrogen plays a significant role in atmospheric phenomena including aurorae

and airglows. Nitrogen spectra are also important to a variety of laboratory

experiments involving lasers, discharges, and afterglows. The monograph on nitrogen will be published in FY '76.

19
9. Title: Index to High Resolution Spectral Data

Location : Optical Physics Division, NBS, Washington, D. C. Project Leader : Paul H. Krupenie

Description : This project provides for the compilation and dissemination of

high resolution infrared spectral data for gases. The output of this

project will be an index to high resolution measurements which will be

useful for the application of lasers to many fields.

10. Title : Microwave Spectral Tables

Location : Optical Physics Division, NBS, Washington, D. C. Project Leader : Frank J. Lovas

Description : This project provides a continuing data center for the collection,

critical evaluation and dissemination of microwave spectral data for gases. The

compilation of the microwave spectra of diatomic molecules has been completed

and published. The next volume on triatomic molecules is under way. The review

series on molecules of astrophysical interest now includes publications on

H.,0, OCS, HCN, CO, CS, SiO, and SO, with HNCO nearing completion. CH,CH0

3 will

be initiated during FY '76. Reports concerning radio telescope searches providing

unidentified lines or negative results are being distributed on a periodic basis.

11. Title : Fundamental Vibration Frequencies of Molecules

Location : Department of Physical Chemistry, University of Tokyo,

Tokyo, Japan

Project Leader : T. Shimanouchi

Description : This project provides continuing preparation and publication of tables

of data of the fundamental vibration frequencies of molecules. Spectroscopic

measurements reported in the open literature are collected, selected, analyzed and

evaluated to provide consistent and intercomparable data. Tables are published in sets (of about 50) bringing together data on molecules of similar structure and

symmetry. Current efforts are directed to the preparation of a consolidated volume

of tables, updating and bringing together material from the last four sets of tables.

• 12. Title : NMR Data Compilation

Location : Department of Chemistry, Texas A§M University,

College Station, Texas

Project Leader : B. L. Shapiro

Description : This project is directed to the compilation, evaluation and publication

of data derived from high-resolution proton NMR spectroscopy (chemical shifts and

coupling constants) on aromatic molecules in which the proton is attached directly

to an aromatic carbon atom.

13. Title : Vibrational Force Field Constants for Polyethylene

Location : Polymers Division, NBS, Washington, D. C. Project Leader : D. H. Reneker

Description : Review of the previous efforts to describe the force field

of polyethylene revealed inadequacy in the manner in which those force fields were formulated. Also, a large body of new data, principally in the low

frequency Raman region, has been published since the most recent comprehensive

review. Molecular vibrational data from the literature and from measurements

made at NBS will be collected and used to obtain the best fit to theoretical

dispersion curves of polyethylene crystals.

20
The following data center, not directly under NSRDS program management, also supplies

evaluated data relevant to this area of interest:

Title : AP144-TRC Selected Spectral Data

Location : Thermodynamics Research Center, Texas A§M University, College Station, Texas

Director : B. J. Zwolinski

Coverage : Infrared, ultraviolet, mass Raman and nuclear magnetic resonance spectroscopic data

on organic and inorganic compounds.

21
C. CHEMICAL KINETICS PROPERTIES DATA

This program deals primarily with rate constants of chemical reactions in

the gaseous, liquid, and solid phases. Data center activities have focused on

gas phase reaction rate constants and radiation chemical reaction data in gas

and liquid phase. Individual data projects responsive to national problems have

been emphasized. Some effort is being directed toward increasing activity in

liquid phase kinetics data.

Programmatic advice and direction is supplied through close contact with

leading kinetics experts and through NAS-NRC ad hoc advisory committees.

1. Title : Radiation Chemistry Data Center

Location : Radiation Laboratory, University of Notre Dame,

Notre Dame , Indiana

Project Leader : Alberta Ross

Description : The Center's objectives are to compile, evaluate and disseminate reviews

of data from radiation chemistry. The project has developed an automated literature

reference file pertinent to radiation chemistry. In addition to maintaining a searchable file (over 22,000 papers since 1966), and the issuance of a bi-weekly

current -awareness publication and some bibliographies, the Center prepares data

compilations as input to critical reviews. Three critical reviews (on NH,, N

2 and

ethanol) have recently been published in the NSRDS-NBS series, and another (on

methanol) has been submitted. Compilations of reaction rates of transients in

solution are in press. Data reviews on electron mobility and G (free ions), additional compilations of rates of transients in solution, and collection of transient

spectra (trapped and solvated electrons) are planned. (This Center is funded under

a joint agreement between NBS and the Energy Research and Development Administration.)

2. Title : Chemical Kinetics Information Center

Location : Physical Chemistry Division, NBS, Washington, D. C. Project Leader : David Garvin

Description : This Data Center abstracts and compiles chemical kinetic data

from the literature. The Center has recently prepared and issued tables

of rate data for use in atmospheric modelling, provided bibliographic

services to the public, evaluated rate and photochemical data, coordinated

preparation of text on the chemistry of the stratosphere and participated in international activities in the area of chemical kinetics.

22
D. SOLID STATE PROPERTIES

The activities in this program have emphasized selected solid state properties,

principally optical, magnetic, surface, and transport data. Material coverage includes

metals and alloys, organic and inorganic crystals, and special materials such as superconductors. A number of data centers compile and evaluate the data for publication.

Individual projects in special areas of concern supplement the data center activities.

Programmatic liaison is maintained with related data centers sponsored by other

governmental and non- governmental agencies. In some instances, jointly-sponsored

programs are carried out. Advice and direction are provided by an NAS-NRC ad hoc

committee of experts.

1. Title : Superconductive Materials Data Center

Location : General Electric, Schenectady, New York

Project Leader : B. W. Roberts

Description : The Superconductive Materials Data Center collects and disseminates the

publicly known data on the basic physical properties of superconductive materials.

The data include critical temperatures, critical magnetic field, crystallographic

description, etc. The data are maintained on a keypunch card file. Previous

publications included "Progress in Cryogenics" and a sequence of alternate year

publication of NBS Technical Notes (No's. 408, 482, 724 and very recently, April 1974,

No. 825). In addition, contributions of data listings have been made to the

"Handbook of Chemistiy and Physics," the "American Institute of Physics Handbook."

and the "Handbook of Applied Engineering Science." Plans tor 1975-76 call tor the

collation, condensation and critical evaluation of the accumulated data into

one review.

2Title : Cambridge Data Centre

Location : University of Cambridge, Cambridge, England

Project Leader : Olga Kennard

Description : The Cambridge Data Centre searches, extracts, compiles and stores

crystal data from the world literature on organic compounds. In addition the

Centre extracts information from the literature on inorganic compounds, inter

metallics and minerals which it sends to the Single Crystal Data Center at NBS.

The data on organic compounds are stored in a computerized file and include unit

cell constants, densities and space group designation. These parameters serve as a basis for the identification and analytical determinations of such diverse

material as petrochemicals , insecticides , drugs , biological compounds and others

The existence of this data file dissemination in selected form was instrumented to produce the publication of the Organic Compound volume of the third edition of

"Crystal Data - Determinative Tables."

3. Title : Data Compilation - Crystal Data

Location : Inorganic Materials Division, NBS, Washington, D. C. Project Leader : Helen M. Ondik

Description : The Crystal Data Center compiles and evaluates inorganic crystallographic

data from the literature for dissemination to the scientific and technical community.

With the third edition of Crystal Data Determinative Tables in print, the effort is

aimed at preparing and publishing a series of supplements containing data from 1967

to date. Data for the first supplement is being compiled, the current file of punched

cards containing about one-quarter to one-third of the expected total. During FY '76 the bulk of the entries for the first supplement (at least three-fourth of the total)

should be in the processed file.

23
4. Title : Mossbauer Effect Data Index (MED I) Location : University of North Carolina, Asheville, North Carolina

Project Leader : John G. Stevens

Description : The literature involving Mossbauer effect measurements has grown steadily

in recent years; it has application in such diverse areas as solid state physics

analytical chemistry, biophysics, etc. Annual publication of the Mossbauer Effect

Data Index (MEDI) was initiated to provide workers with a single source of data and bibliographic reference thereby avoiding duplication of effort spent in searching

the literature. The data include radioactive source, absorber employed, temperature

degree of shift, quadruple splitting, etc., the MEDI has been published annually

starting with 1970, and the 1973 edition has just issued. Data for the 1974 Index

are now being accumulated.

5. Title : Refractive Index Evaluation § Compilation

Location : Optical Physics Division, NBS, Washington, D. C. Proj ect Leader : Irving H. Malitson

Description : The project has been established to produce a compilation /of critically

evaluated refractive index data pertinent to laser, holographic and electro-optic

systems. The work is a joint effort between NBS, the Research Materials Information

Center (RMIC)-Oak Ridge National Laboratory, and the Thermophysical Properties Re- search Center (TPRD) -Purdue University. TPRC is compiling and evaluating hali.de laser

window materials. NBS serves as an advisor and critical reviewer to the inputs

of RMIC and TPRC. A trial evaluation of KC1 and ZnSe has been completed. Critically

evaluated data will form the basis for publication.

6. Title : Alloy Data Center

Location : Metallurgy Division, NBS, Washington, D. C. Project Leader : Gesina C. Carter

Description : The Alloy Data Center (ADC) maintains complete and up-to-date reference

files in the area of nuclear magnetic resonance (NMR) and includes a complete

file on soft x-ray spectroscopy (SXS) papers up to 1973. In addition to these

two areas, in which critical evaluation is carried out, the ADC covers a much broader

scope of alloy physical properties. A general awareness is maintained of events

in this broader area, which are related to NMR, SXS and other research carried out

in the Alloy Physics Section.

7. Title : Diffusion in Metals Data Center

Location : Metallurgy Division, NBS, Washington, D. C. Project Leader : J. R. Manning

Description : The project objective is the publication of standard reference data

monographs which review and critically evaluate data on diffusion in metals and

their alloys. Papers from the technical literature are systematically collected

and classified according to the alloy systems on which they report diffusion data.

More than 14,000 papers are currently in our files. Diffusion monographs for

alloy systems important in technology are being produced, starting with diffusion

in copper and copper alloys. The overall aim of this project is to provide a comprehensive source of evaluated diffusion data, including data on the more complex

alloy systems. Three evaluated data compilations have been published.

24
8. Title : Thermal Expansion Compilation

Location : Inorganic Materials Division, NBS, Washington, D. C. Pro j ect "Leader : Richard K. Kirby

Description : The thermal expansion compilation effort is aimed at preparing critically

evaluated data on elements and selected compounds for publication in the TPRC Data

Series.

The following data centers, not directly under NSRDS program management,

also supply evaluated data relevant to this area of interest:

1. Title : Phase Diagrams for Ceramists

Location : Inorganic Materials Division, NBS, Washington, D. C. Director : Lawrence P. Cook

Coverage : Systems of special interest to ceramists: metal -oxygen

and metal oxide systems (including Si) , systems with oxygen- containing

radical systems containing halides, sulfides, alone and with other

substances, systems of water with metal oxide and miscellaneous sub- stances. Phase diagrams for one-, two-, three-, component systems as a function of temperature.

2. Title : Rare Earth Information Center

Location : Iowa State University, Ames, Iowa

Director : Karl A. Gschneidner, Jr.

Coverage : Physical metallurgy and solid state physics of rare earth metals

and their alloys; analytical, physical chemical, toxicity data on rare earth elements and compounds

25
E. NUCLEAR DATA

The former Atomic Energy Commission, now the Energy Research and Development

Administration, has supported extensive activities on neutron cross sections and

other nuclear data. The Office of Standard Reference Data maintains close

liaison with this work, and in some cases has provided support for data centers

jointly with ERDA. The present emphasis of OSRD support is on photonuclear data.

1. Title : Table of Isotopes Project

Location : Lawrence Radiation Laboratory, University of California,

Berkeley, California

Project Leader : C. Michael Lederer

Description : The project publishes periodic editions of the Table of Isotopes , a compact,

comprehensive compilation of evaluated data on radioactive decay and nuclear level

properties for all nuclei. Experimental data covered include halflives of ground

and excited states, decay modes and branching, masses and -Q-values, natural

abundances , nuclear spins and moments , thermal neutron cross sections , means of

production, detailed data on all types of radiation (beta, alpha, proton, neutron

and electromagnetic radiation, including y-rays, X-rays and conversion electrons),

and nuclear level schemes. Level schemes include data derived from both radioactive

decay and nuclear reactions. Since 1971, extensive automation of the data handling

has been under development in order (1) to cope with the greatly accelerated generation of new data, (2) to enable the publication of subsequent editions at shorter

intervals , and (3) to permit the publication of secondary compilations and the creation

of computerized data services of particular utility to scientists who need nuclear data

for practical applications. In FY 1975, approximately two thirds of the data intended

for the 7th edition have been evaluated.

2. Title : Berkeley Particle Data Center

Location : Lawrence Berkeley Laboratory, University of California,

Berkeley, California

Project Leader : Arthur H. Rosenfeld

Description : This data center collects, compiles, indexes, evaluates, and disseminates

data on the properties and interactions of elementary particles, including protons,

leptons, mesons, and baryons. The Center publishes the annual "Review of Particle

Properties," a critical examination and summary of the properties of elementary

particles. It also produces, at irregular intervals, compilation reports of cross sections and other measured quantities for particle interactions. A literature file

is maintained, and data extracted from the literature are stored partly in a card

image file and partly in a more sophisticated data file. An index of all experimental

particle physics documents is being prepared from the latter.

3. Title : Compilation and Evaluation of Photonuclear Data

Location : Nuclear Sciences Division, NBS, Washington, D. C. Project Leader : E. G. Fuller

Description : This data center systematically abstracts, collects, and indexes data from

the published literature; maintains a library of digitized cross section data; and

serves as an information center for the field of photonuclear physics. A literature

file from 1955 contains over 2000 journal papers; the data abstract files contain

information on over 4800 separate measurements , and the digital library contains data

for over 700 cross section curves. A comprehensive compilation of evaluated photonuclear reactions cross section data is being prepared. This will be published in

three sections, each covering a section of the periodic table.

26
4. Title : Tables of Nuclear Spins and Moments

Location : Office of Standard Reference Data, NBS, Washington, D. C. Project Leader : G. H. Fuller

Description : The pertinent literature on nuclear spins and moments is being compiled,

evaluated and tabulated for publication. The new set of tables represent an updated

version of the tables published by V. H. Cohen and G. H. Fuller in Nuclear Data

Tables , A5 , No. 5-6 (1969). The previous data has been incorporated into the new tables as appropriate.

The following data centers, not directly under NSRDS program management,

also supply evaluated data relevant to this area of interest:

1. Title : Nuclear Data Project

Location : Oak Ridge National Laboratory, P. 0. Box X,

Oak Ridge, Tennessee

Director : Daniel J. Horen

Coverage : Data on the physics of nuclear structure and other nuclear properties.

Emphasis is placed on evaluated energy level data for nuclides of A>40.

2. Title : National Neutron Cross Secton Center

Location : Brookhaven National Laboratory, Upton, New York

Director : S. Pearlstein

Coverage : Data on neutron -induced nuclear reactions and related parameters,

consisting mainly of energy and angle dependent cross sections for use

in reactor design, neutronics calculations and nuclear physics studies.

3. Title : Physical Data Group

Location : Lawrence Radiation Laboratory, University of California,

Livermore, California

Director : Robert J. Howerton

Coverage : Neutron and photon cross section data required for weapon effects,

shielding and reactor calculations; static and dynamic parameters of critical

assemblies and bulk experiments relating to neutron multiplication and transport.

27
F. MECHANICAL PROPERTIES

Limited funds have so far restricted activities in the mechanical properties area

to one data evaluation project concerned with elastic properties of metals and alloys,

and the Surveys of Data Sources described in Section II above.

1. Title : Elastic Constant Data for Metals and Alloys

Location : Cryogenics Division, NBS, Boulder, Colorado

Project Leader : R. P. Reed

Address Inquiries to : H. Ledbetter

Description : Elastic properties data for materials that are of scientific or technological interest because of their relationship to the interatomic potential in solids and,

consequently, to a wide variety of solid-state phenomena. Technologically, elastic

constants are essential design parameters in any mechanically stressed component-

pressure vessels, ship hulls, rotating machinery, etc.

The first review in this series covered Iron, Nickel, and Iron-Nickel Alloys (J . Phys . Chem. Ref. Data , 2 (1974), 531-618).

During FY '75, a paper on the elastic properties of copper was published (J. Phys . Chem . Ref . Data , 3_, (1974, 897-935). Also, a note on the elastic constants of

polycrystals was published ( Phys. Status Solidi , 2, 26_ (1974), K67-70) . A manuscript

on the elastic properties of zinc is in preparation.

During FY '76, it is expected that reviews on copper- zinc alloys and on aluminum will

be forthcoming.

2. Title : Critical Surveys of Data Sources

Location : Battelle Columbus Laboratories, Columbus Ohio, and General Electric Company,

Schenectady, New York

Project Leaders : J. F. Lynch (Battelle) and J. H. Westbrook (General Electric)

Description : A series of surveys covering sources of numerical data covering selected

materials and properties is being prepared. The emphasis is on coverage of commercial

materials (those used in construction and manufacturing) , for which the sources of

information are numerous and of diverse character, making it extremely difficult

for a practicing engineer or materials scientist to locate the best source of data

for his particular needs.

Current Status :

a. Mechanical Properties of Metals , by R. B. Gavert, R. L. Moore, and J. H. Westbrook, Engineering Consulting Service, General Electric Company. Published

as NBS SP 396-1, September 1974.

b. Properties of Ceramics.

Principal Investigator : James F. Lynch

Location: Metals and Ceramics Information Center, Battelle Columbus

Laboratories

Manuscript and review by task force formed by the American Ceramic Society

completed. Publication expected by mid-1975.

28
The Publications Committee of the National Association of Corrosion Engineers

has agreed to serve as a review panel for the survey. Completion is expected

by mid- 1975.

c. Electrical and Magnetic Properties of Metals.

Principal Investigator : J. H. Westbrook

Location : Materials Information Services , General Electric Company

Initial manuscript and review by task force from the Magnetics Society of

IEEE and ASTM completed.

d. Corrosion Data.

Principal Investigator : Ronald B. Diegle

Location : Corrosion and Electrochemical Technology Section, Battelle

Columbus Laboratories

29
APPENDIX IA

FEDERAL COUNCIL FOR SCIENCE AND TECHNOLOGY

COMMITTEE ON SCIENTIFIC INFORMATION

28 May 1963

Federal Policy on National Standard Reference Data System

There will be established a National Standard Reference Data System

(NSRDS) to provide on a national basis critically evaluated data in the physical

sciences. The NSRDS will consist of 'a National Standard Reference Data Center

(NSRDC) at the National Bureau of 'Standards and such other Standard Reference

Data Centers as may be required.

The National Bureau of Standards will be charged with the administration of

the National Standard Reference Data System. This assignment will include the

establishment of standards of quality, methodology including machine processing

formats, and such other functions as are required to ensure the compatibility of

all units of the NSRDS.

The National Bureau of Standards will be charged with funding and administering the National Standard Reference Data Center. This Center will be an identifiable part of the National Scientific and Technical Information System (NSTIS).

Standard Reference Data Centers covering certain specific areas of effort may

be established by or be assigned to the various Departments and Agencies in ac- cordance with their specific desires and capabilities. Such Centers will be financed

and administered by the Department to which assigned but will meet the quality

standards and other requirements of the NSRDS. Such Centers will be included

as identifiable components of the NSTIS.

The NSRDS may also include Standard Reference Data Centers at universities, research institutes, and other appropriate non-Government activities. To be

included in the NSRDS, such Centers will meet the quality standards and other

requirements of the NSRDS and will be included as identifiable components of the

NSTIS.

There will be an Advisory Board to "review and recommend policy relative to the operation of the NSRDS. It will , include among others, representation from

the National Academy of Sciences, National Science Foundation, Federal Agencies

engaged in research and development, and such other representatives of the sci- entific and technical community as the Director of the National Bureau of Standards may determine.

In establishing the NSRDS, the intent is to provide an articulated system of

Centers and activities under such coordination and direction as to ensure an out- put meeting quality standards for national reference data in the physical sciences.

The establishment of the System should not be construed as preventing the establishment of such Federal or Departmental Data Systems as are required for the

collection of raw or evaluated data to serve engineering or operating needs of the

Federal Government or various Federal agencies.

30
APPENDIX IB

Public Law 90-396

90th Congress, H. R. 6279

July 11, 1968

an act

To provide for the collection, compilation, critical evaluation, publication, and

sale of standard reference data. Be it enacted by the Senate and House of Representatives of the United States of America in Congress assembled,

DECLARATION OF 'POLICY Section 1. The Congress hereby finds and declares that reliable standardized scientific and technical reference data are of vital importance to the progress of the Nation's science and technology. It is therefore the policy of the Congress to make critically evaluated refer- ence data readily available to scientists, engineers, and the general

public. It is the purpose of this Act to strengthen and enhance this policy;

Standard Reference Data Aot.

82 STAT. 339

Collection and publication of standard referenoe data.

DEFINITIONS 82 STAT. 340

Sec. 2. For the purposes of this Act

(a) The term "standard reference data" means quantitative infor- mation, related to a measurable physical or chemical property of a

substance or system of substances of known composition and structure, which is critically evaluated as to its reliability under section 3

of this Act.

(b) The term "Secretary" means the Secretary of Commerce.

Sec. 3. The Secretary is authorized and directed to provide or ar- range for the collection, compilation, critical evaluation, publication,

and dissemination of standard reference data. In carrying out this program, the Secretary shall, to the maximum extent practicable,

utilize the reference data services and facilities of other agencies and

instrumentalities of the Federal Government and of State and local governments, persons, firms, institutions, and associations, with their consent and in such a maimer as to avoid duplication of those services and facilities. All agencies and instrumentalities of the Federal Government are encouraged to exercise their duties and functions in such manner as will assist in carrying out the purpose of this Act. This

section shall be deemed complementary to existing authority, and

nothing herein is intended to repeal, supersede, or diminish existing

authority or responsibility of any agency or instrumentality of the Federal Government.

Sec, 4. To provide for more effective integration and coordination of standard reference data activities, the Secretary, in consultation with

other interested Federal agencies, shall prescnl>e and publish in the Federal Register such standards, criteria, and procedures for the preparation and publication of standard reference data as may be necessary

to carry out the provisions of this Act.

Sec. 5. Standard reference data conforming to standards established by the Secretary may be made available and sold by the Secretary or by a person or agency designated by him. To the extent practicable

and appropriate, the prices established for such data may reflect the

cost of collection, compilation, evaluation, publication, and dissemination of the data, including administrative expenses; and the amounts

received shall be subject to the Act of March 3, 1901, as amended (15

U.S.C.27l-278e).

Sec. 6. (a) Notwithstanding the limitations contained in section

8 of title 17 of the United States Code, the Secretary may secure copyright and renewal thereof on behalf of the United States as author

or proprietor in all or any part of any standard reference data which

Standards, etc

Publication in

Federal Register.

Sale of reference data. Cost recovery.

31 Stat. 1449; Ante , p. 34.

U. S. copyright and renevra.1 rights.

61 Stat. 655j

76 Stat. 446.

31
Pub.

82 STAT. 340 Law 90-396 2 - July 11, 1968

he prepares or makes available under this Act, and may authorize

the reproduction and publication thereof by others. (b) The publication or republication by the Government under this Act, either separately or in a public document, of any material in which

copyright is subsisting shall not be taken to cause any abridgment or annulment of the copyright or to authorize any use or appropriation

of such material without the consent of the copyright proprietor.

Appropriation. Sec. 7. There are authorized to be appropriated to carry out this Act, $1.86 million for the fiscal year ending June 30, 1969. Notwithstanding the provisions of any other law, no appropriations for any

fiscal year may be made for the purpose of this Act after fiscal year

1969 unless previously authorized by legislation hereafter enacted by

the Congress.

Short title. Skc. 8. This Act may be cited as the "Standard Reference Data Act." Approved July 11, 1968.

LEGISLATIVE HISTORY :

HOUSE REPORT No. 260 (Comm. on Soienoe and Astronautios).

SENATE REPORT No. 1230 (Comm. on Commerce). CONGRESSIONAL RECORD:

Vol. 113 (1967): Aug. 14, oonsidered and passed House. Vol. 114 (1968): June 13, oonsidered and passed Senate, amended.

June 27, House oonourred in Senate

amendments

.

GP0 98-1 39

32
Appendix II

Publications List

Publications in

The Journal of Physical and Chemical

Reference Data

1. Gas&ous Diffusion Coefficients - T.R. Marrero and E.A. Mason, Vol. 1, No. 1 (1972). $7.00

2. Selected Values of Critical

Supersaturation for Nucleation of

Liquids from the Vapor - G.M. Pound,

Vol. 1, No. 1 (1972). $3.00

3. Selected Values of Evaporation and

Condensation Coefficients of Simple

Substances - G.M. Pound, Vol. 1, No. 1 (1972). $3.00

4. Atlas of the Observed Absorption

Spectrum of Carbon Monoxide, between 1060

and 1900 A - S.G. Tilford and J.D*

Simmons, Vol. 1, No. 1 (1972). $4.50

5. Tables of Molecular Vibrational

Frequencies, Part 5 - T. Shimanouchi,

Vol. 1, No. 1 (1972). $4.00

6. Selected Values of Heats of .Combustion

and Heats of Formation of Organic

Compounds Containing - the Elements

C,H,N,0,P, and S - Eugene S. Domalski,

Vol. 1, No. 2 (1972). $5.00

7. Thermal Conductivity of the Elements - C.Y. Ho, R.W. Powell, and P.E. Liley,

Vol. 1, No. 2 (1972). $7.50

8. The Spectrum of Molecular Oxygen - Paul

H. Krupenie, Vol. 1, No. 2 (1972).

$6.50

9. A Critical Review of the Gas-Phase

Reaction Kinetics of the Hydroxyl

Radical - W.E. Wilson, Jr. , Vol. 1, No. 2 (1972). $4.50

10. Molten Salts: Volume 3, Nitrates,

Nitrites, and Mixtures, Electrical

Conductance, Density, Viscosity, and

Surface Tension Data - G.J. Janz, Ursula

Krebs, H.F. Siegenthaler and R.P.T. Tomkins, Vol. 1, No. 3 (1972). $8.50

11. High Temperature Properties and

Decomposition of Inorganic Salts - Part

3. Nitrates and Nitrites - Kurt H. Stern, Vol. 1, No. 3 (1972). $4.00

12. High-Pressure Calibration: A Critical

Review - D.L. Decker, W.A. Bassett, L. Merrill, H.T. Hall, and J.D. Barnett,

Vol. 1, No. 3 (1972). $5.00

13. The Surface Tension of Pure Liquid

Compounds - Joseph J. Jasper, Vol. 1, No. 4 (1972). $8.50

14. Microwave Spectra of Molecules of

Astrophysical Interest, I. Formaldehyde

,

Formamide, and Thioformaldehyde - Donald

R. Johnson, Frank J. Lovas , and William

H. Kirchhoff, Vol. 1, No. 4 (1972).

$4.50

15. Osmotic Coefficients and Mean Activity

Coefficients of Uni-univalent

Electrolytes in Water at 25 C - Walter

J. Hamer and Yung Chi Wu, Vol. 1, No. 4 (1972). $5.00

16. v The Viscosity and Thermal Conductivity

Coefficients of Gaseous and Liquid

Fluorine - H.J.M. Hanley and R. Prydz

,

Vol. 1, No. 4 (1972). $3.00

17. Microwave Spectra of Molecules of

Astrophysical Interest, II. Methylenimine - William H. Kirchhoff,

Donald R. Johnson, and Frank J. Lovas,

Vol. 2, No. 1 (1973). $3.00

18. Analysis of Specific Heat Data in the

Critical Region of Magnetic Solids

F.J. Cook, Vol. 2, No. 1 (1973). $3.00

19. Evaluated Chemical Kinetic Rate

Constants for Various Gas Phase

Reactions - Keith Schofield, Vol. 2, No.

1 (1973). $5.00

20. Atomic Transition » Probabilities for

Forbidden Lines of the Iron Group

Elements. (A Critical Data Compilation

for Selected Lines) - M.W. Smith and

W.L. Wiese, Vol. 2, No. 1 (1973). $4.50

21. Tables of Molecular Vibrational

Frequencies, Part 6 - T. Shimanouchi,

Vol. 2, No. 1 (1973). $4.50

22. Compilation of Energ/ Band Gaps in

Elemental and Binary Compound

Semiconductors and Insulators - W.H. Strehlow and E.L. Cook, Vol. 2, No. 1 (1973). $4.50

23. Microwave Spectra of Molecules of

Astrophysical Interest, III. Methanol - R.M. Lees, F.J. Lovas, W.H. Kirchhoff,

and D.R. Johnson, Vol. 2, No. 2 (1973).

$3.00

24. Microwave Spectra of Molecules of

Astrophysical Interest, IV. Hydrogen

Sulfide - Paul Helminger, Frank C. DeLucia and William H. Kirchhoff, Vol.

2, No. 2 (1973). $3.00

33
25.

26.

27.

28.

29.

30.

31.

32.

33.

34,

35.

36.

37.

38,

McKinley

,

Tsang, and

2 (1973).

Tables of Molecular Vibrational

Frequencies, Part 7-1. Shimanouchi, 39. Vol. 2, No. 2 (1973). $4.00

Energy Levels of Neutral Helium ( kHe

I) - W.C. Martin, Vol. 2, No. 2 (1973). $3.00

Survey of Photochemical and Rate Data

for Twenty-eight Reactions of Interest 40. in Atmospheric Chemistry - R.F. Hampson, W.Braun, R.L. Brown, D. Garvin, J.T. Herron, R.E. Huie, M.J. Kurylo, A.H. Laufer, J. D. McKinley, 41.

H. Okabe, M.D. Scheer, W. D.H. Stedman, Vol. 2, No. $4.50

Compilation of the Static Dielectric

Constant of Inorganic Solids - K.F. Young and H.P.R. Frederikse, Vol. 2, 42. No. 2 (1973). $6.00

Soft X-Ray Emission Spectra of

Metallic Solids: Critical Review of

Selected Systems - A.J. McAlister,

R.C. Dobbyn, J.R. Cuthill, and M.L. 43. Williams, Vol. 2, No. 2 (1973). $3.00

Ideal Gas Thermodynamic Properties of

Ethane and Propane - J. Chao, R.C. Wilhoit, and B.J. Zwolinski, Vol. 2, 44. No. 2 (1973). $3.00

An Analysis of Coexistence Curve Data

for Several Binary Liquid Mixtures

Near Their Critical Points - A. Stein

and G.F. Allen, Vol. 2, No. 3 (1973).

$4.00

Rate Constants for the Reactions of

Atomic Oxygen (0 3 P) With Organic

Compounds in the Gas Phase - John T. 45. Herron and Robert E. Huie, Vol. 2, No.

3 (1973). $5.00

First Spectra of Neon, Argon, and

Xenon 136 in the 1.2-4.0 \im Region - Curtis J. Humphreys, Vol. 2, No. 3 46. $3.00

Properties of Metals and

I. Iron, Nickel, and IronAlloys - H.M. Ledbetter and 47. R.P. Reed, Vol. 2, No. 3 (1973). $6.00

The Viscosity and Thermal Conductivity

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J. Horiuti and K. Mivahara

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36
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Dijkhuis; Section 2. Surface

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NSRDS-NBS-29, Photon Cross Sections,

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37
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UCRL- 20030 ttN, Amplitudes

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LBL-53, ^+P 3 Interactions -

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38
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Selected Thermodynamic Values and

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Selected Values of the Thermodynamic

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Selected Values of the Thermodynamic

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Thermodynamic Properties of Copper

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Ion-Molecule Reactions - E.W.

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Theory of Charge Exchange - R.A.

Mapleton (1971). Published by

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Total Electron-Atom Collision Cross

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Electron Impact Ionization CrossSection Data for Atoms, Atomic

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Kieffer, G.H. Dunn, Rev. Mod.

Phys. Vol. 38, No. 1,1-35

(1966).

Theory of the Ionization of Atoms by

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Rudge, Rev. Mod. Phvs. Vol. 40,

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Coblentz Society Evaluated Infrared.

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Translations from the Russian

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Thermodynamic and Thermophysieal

Properties of Combustion

Products, Volume I, Computation

Methods - V.E. Alemasov, A.F.

Dregalin, A. P. Tishin, and V.A.

Khudyakov, edited by V.P.

Glushko (1971). Original

published by the Academy of

Sciences of the USSR. TT74-

50019, 1974, xx + 433 pp.

Properties of Liquid and Solid

Hydrogen - B.N. Fsel'son, Yu.P.

Blagoi, V.N. Grigor'ev, V.G.

Manzhelii, S.A. Mikhailenko,

and N.P. Neklyudov (1969).

Original published by the

Committee of Standards,

Measures and Measuring

Instruments of the USSR Council

of Ministers - Government

Standards Service. TT70-50179,

1974, iii + 123 pp.

Electric Conductivity of

Ferroelectrics - V.M. Gurevich

(1969). Original published by

the Committee of Standards,

Measures and Measuring

Instruments of the USSR Council

of Ministers - Government

Standards Service. TT70-50180,

1971, vi + 362 pp.

Handbook of Hardness Data - A. A.

Ivan'ko, edited by G.V.

Samsonov (1968). 'Original

published by the Academy of

Sciences of the Ukrainian SSR,

Institute of Materials

Sciences. TT70-50177, 1971,

iii + 66 pp.

Heavy Water, Thermophysieal

Properties - Ya.Z.

Kazavchinskii, et al., edited

by V.A. Kirillin (1963). TT70-

-50094, 1971, vii + 263 r>V>. t 2 charts.

Thermophysieal Properties of Freon22 - A.V. Kletskii (1970).

Original published by the

Committee of Standards,

Measures and Measuring

Instruments of the USSR Council

of Ministers - Government

Standards Service. TT70-50178,

1971, iv + 67 pp., 1 chart.

Rate Constants Gat Phase

40

Reactions , Reference Book

V.N. Kondratiev (1970).

Original published by the

Academy of Sciences of the USSR

Order-of-Lenin Institute of

Chemical Physics. Translated

by L. Iloltschlad and R. Fristrom. COM-72- 10014 , 1972,

vi + 428 r>t>. Thermophysieal Properties of Gases

and Liquids, Ilo. 1 - V.A.

Rabinovich (1968). Original

published by the Committee of

Standards, Measures and

Measuring Instruments of the

USSR Council of Ministers - Government Standards Service,

Series: Physical Constants and

Properties of Substances.

TT69-55091. 1970, viii + 207

Handbook of Phase Diagrams of

Silicate Systems, Vol. I. Binary Systems, Second Revised

Edition - N.A. Toropov, V.P.

Barzakovskii, V.V. Lapin, and

N.N. Kurtseva, edited by N.A.

Toropov (1969). Original

published by the Academy of

Sciences ' of the USSR

Grebenshchikov Institute of

Silicate Chemistry. TT71-

50040, 1972, viii + 723 pn.

Handbook of Phase Diagrams of

Silicate Systems, Vol. II.

Metal-Oxygen Compounds in

Silicate Systems, Second

Revised Edition - N.A. Toropov,

V.P. Barzakovskii, I. A.

Bondar', and Yu.P. Udalov,

edited by N.A. Toropov.

Original published by the

Academy of Sciences of the USSR

Grebenshchikov Institute of

Silicate Chemistry. TT71-

50041, 1972, iv + 325 pn.

Thermodynamic and Thermophysieal

Properties of Helium - N.V.

Tsederberg, V.N. Popov, and
N.A. Morozova, edited by A.F.

Alyab'ev (1969). Original

published by Atomizdat. TT70-

50096, 1971, v + 255 pp.

Thermophysical Properties of Mr and

Air Components - A. A.

Vasserman, Ya.A. Kazavchinskii

,

and V.A. Rabinovich, edited by

A.M. Zhuravlev (1966).

Original published by the

Academy of Sciences of the

USSR. TT70-50095, 1971, x + 383

pp. , 8 charts.

Thermophysical Properties of Liquid

Air and Its Components - A. A.

Vasserman and V.A. Rabinovitch

(1968). Original published by

the Committee of Standards,

Measures and Measuring

Instruments of the USSR Council

of Ministers - Government

Standards Service. TT69-55092,

1970, viii + 235 pp., 2 charts.

Thermophysical Properties of Gaseous

and Liquid llethane - V.A.

Zagoruchenko and A.M. Zhuravlev

(1969). Original published by

the Committee of Standards,

Measures and Measuring

Instruments of the USSR Council

of Ministers - Government

Standards Service. TT70-50097,

1970, viii + 243 pp.

Surface Ionization - E.Ya. Zandberg

and N.L. Ionov (1969).

Original published by the

Science Publishing House.

Translated by E. Harnik. TT70-

50148, 1971, xii + 355 pp.

Thermodynamic and Transport

Properties of Ethylene and

Propylene - I. A. Meduzhii. et

al. (1971). Original published

by the State Committee of

Standards of the Soviet

Ministry, USSR, State Office of

Standards and Reference Data.

Series: Monograph No. 8. Translation published June

1972. Available on request

from the Office of Standard

Reference Data, National Bureau

of Standards, U.S. Department

of Commerce, Washington, D.C.

20234.

41

Other NBS Compilations of Data

NBS Tech. Note 270-3, Selected

Values of Chemical Thermodynamic Properties , Tables for

the First Thirty-Four Elements

in the Standard Order of

Arrangement - D.D. Wagman, IV. H. Evans, V.B. Parker, I. I la lew,

S.M. Bailey, and R.II. Schumm

(1968). SD Catalog No.

C13. 46:270-3. $2.75

NBS Tech. Note 270-4, Selected

Values of Chemical Thermodynamic Properties , Tables for

Elements 35 through 53 in the

Standard Order of Arrangement - D.D. Wagman, W.H. Evans, V.B.

Parker, I. Ilalow, S.M. Bailey,

and R.II. Schumm (1969). SD

Catalog No. C13. 46: 270-4 . $2.10

NBS Tech. note 270-5, Selected

Values of Chemical Thermodynamic Properties s Tables for

Elements 54 through 61 in the

Standard Order of Arrangement - D.D. Wagman, K.U. Evans, et al.

(1971). SD Catalog No.

C13. 46:270-5. $.95

NBS Tech. Note 270-6, Selected

Values of Chemical Thermodynamic Properties , Tables for

the Alkaline Earth Elements

(Elements 92 through 97 in the

Standard Order of Arrangement

)

- V.B. Parker, D.D. Wagman, and

W.H. Evans (1971). SD Catalog

No. C13. 46:270-6. $1.55

NBS Tech. Note 270-7, Selected

Values of Chemical Thermodynamic Properties , Tables for

the Lanthanide (Rare Earth)

Elements (Elements 62 through

76 in the Standard Order of

Arrangement) 9- II. H. Schumm,

D.D. Waeman, S.Bailey, W. II. Evans, and V.B. Parker (1973).

SD Catalog No. C13. 46 : 270- 7. $1.25

NBS Tech. Note 438, Compendium of

ab-initio Calculations of Molecular Energies and Properties - M. Krauss (1967). AD66S245*

NBS Tech. Note 474, Critically

Evaluated Transition Probabilities for Ba I and II - B.M.

Miles and W.L. Wiese (1969).

SD Catalog No. C13. 46:474.

$0.30

NBS Tech Note 484, A Review of Rate

Constants of Selected Reactions
of Interest In Re-Entry Flow

Fields in the Atmosphere - M.H.

Bortner (1969).*

NBS Tech. Note 724, Properties of

Selected Super conductive Materials - B.W. Roberts (1972). SD

Catalog No. C13. 46:724. $1.40

NBS Tech. Note 825, Properties of

Selected Superconductive Materials - 1974 Supplement - B.W.

Roberts (1974). SD Catalog No.

C13. 46:825. $1.25

NBS Monograph 70, Vol. I, Microwave

Spectral Tables, Diatomic

Molecules - P.F. Wacker, M.

Mizushima, J.D. Petersen, and

J.R. Ballard (1964). PB168072*

NBS Monograph 70, Vol. II, Microwave Spectral Tables, Line

Strengths of Asymmetric Rotors

- P.F. Wacker and M.R. Pratto

(1964). PB139714*

NBS Monograph 70, Vol. Ill, Microwave Spectral Tables, Polyatomic Molecules with Internal

Rotation - P.F. Wacker, M.S.

Cord, D.G. Burkhard, J.D.

Petersen, and R.F. Kukol

(1969). COM-74-10794*

NBS Monograph 70, Vol. IV, Microwave Spectral Tables Polyatomic

Molecules without Internal

Rotation - M.S. Cord, J.D.

Petersen, M.S. Lojko, and R.H.

Haas (1968). COM-74- 10795*

NBS Monograph 70, Vol. V, Microwave

Spectral Tables, Spectral Line

Listing - M.S. Cord, M.S.

Lojko, and J.D. Petersen

(1963). COM 74-10796*

NBS Monograph 94, Thermodynamic and

Related Properties of Parahydrogen from the Triple Point

to 100 K at Pressures to 340

Atmospheres - H.M. Roder, L.A.

Weber, and R.D. Goodwin (1965).

N65-32001.*

NBS Monograph 115, The Calculation

of Rotational Energy Levels and

Rotational Line Intensities in

Diatomic Molecules - Jon T. Ilougen (1970). SD Catalog No.

C13. 44:115. $0.95

Compilation of Low Energy Electron

Collision Cross Section Data,

Part I - L.J. Kieffer, JILA

Information Center Report No. 6 (1969). PB139127*

Compilation of Low Energy Electron

Collision Cross Section Data,

Part II, - L.J. Kieffer, JILA

Information Center Renort No. 7 (1969). AD696467*

Low Energy Electron-Collision Cross

Section Data, Part III: Total

Scattering; Differential

Elastic Scatterinq, Atomic Data

- L.J. Kieffer Vol. 2, No. 4.

293-391 (1971).

Compilation of Electron Collision

Cross Section Data for Modeling

Gas Discharge Lasers - L.J.

Kieffer, JILA Information

Center Report No. 13 (1973).

Available from the National

Technical Information Service,

Springfield, VA 22151.

42
NBS

NBS

NBS

NBS

Non Data Publications from

NSRDS Related Projects

Misc. Publ. 281, Bibliography on Flame Spectroscopy, Analytical

Applications, 1800 to 1966 - R. Mavrodineanu (1967).*

Spec. Publ. 306-1, Bibliography

on the Analyses of Optical

Atomic Spectra, Section 1, l HZ *V - C.E. Moore (1968).*

Spec. Publ. 306-2, Bibliography

on the Analyses of Optical

Atomic Spectra, Section 2,

Westley (1972). SI) C13. 10:362. $1.15

Catalog No,

NBS

NBS

NBS

NBS

NBS

2 4 Cr-^^lb C.E. Moore (1969).*

Spec. Publ. 306-3, Bibliography

on the Analyses of Optical

Atomic Spectra, Section 3,

" z Mo- sl La, 72 Hf- e *Ac - C.E.

Moore (1969).* C13. 10 : 306- 3

$0.85

Spec. Publ. 306-4, Bibliography

on the Analyses of Optical

Atomic Spectra, Section 4, S7 La- 71 Lu, e *Ac-* 9 Es - C.E.

Moore (1969). COM-73-10870*

Spec. Publ. 320, Bibliography on Atomic Transition

Probabilities , January 1916

through June 1969 - B.M. Miles

and W.L. Wiese (1970). AD 701

614.*

Spec. Publ. 320, Supplement I,

Bibliography on Atomic Transition Probabilities , July 1969

through June 1971 - J.R. Fuhr

and W.L. Wiese (1971).**

Spec. Publ. 320, Supplement II,

Bibliography on Atomic Transition Probabilities, July 1971

through. June 1973 - J.R. Fuhr

and W.L. Wiese (1973). SD

Catalog No. C13. 10: 320/Suppl

II. $0.95

Spec. Publ. 324, The NBS Alloy

Data Center: Permuted Materials

Carter, D.J.

Bennett, J.R.

R.C. Dobbyn

Catalog No.

Index - G.C.

Kahan, L.II. Cuthill, and

(1971). SD

C13. 10:324. $9.65

NBS Spec. Publ. 349, Heavy-Atom

Kinetic Isotope Effects, An

Indexed Bibliography - M.J.

Stern and M. Wolfsberg (1972).

SD Catalog No. C13.10:349.

$0.75

NBS Spec. Publ. 362, Chemical

Kinetics in the C-O-S and H-NO-S Systems; A Bibliography - 1899 through June 197^1 F.

NBS

NBS

NBS

Spec. Publ. 363, Bibliography on Atomic Energy Levels and

Spectra, July 1968 through June

1971 - L. Ha'gan and W.C. Martin

(1972). SD Catalog No.

C13. 10:363. $1.45

Spec. Publ. 366, Bibliography on Atomic Line Shapes and Shifts

(1899 through March 1972) - J.R. Fuhr, W.L. Wiese, and L.J.

Roszman (1972). SD Catalog No.

C13. 10:366. $1.75

Spec. Publ. 366, Supplement 1,

Bibliography on Atomic Line

Shapes and Shifts (April 1972

through June 1973) - J.R. Fuhr,

L.J. Roszman, and W.L. Wiese

(1974). SD Catalog No.

C13.10:366/Suppl. I. $1.05 NBS

Spec. Publ. 369, Soft X-Ray

Emission Spectra of Metallic

Solids: Critical Review of

Selected Systems and Annotated

Spectral Inde:

McAlister, R.C.

Cuthill, and

(1974). SD

NBS

NBS

NBS

NBS

NBS

A.J.

. Dobbin, J.R.

M.L. Williams

Catalog No.

C13. 10:369. $1.85

Spec. Publ. 371, A Supplementary

Bibliography of Kinetic Data on Gas Phase Reactions of

nitrogen, Oxygen and Nitrogen

Oxides - F. Westley (1973). SD

Catalog No. C13. 10:371. $1.25

Spec. Publ. 371-1, Supplementary

Bibliography of Kinetic Data on Gas Phase Reactions of

Nitrogen, Oxygen, and Nitrogen

Oxides (1972-1973) - Francis

Westley (1975). SD Catalog No.

C13. 10:371-1. $1.45

Spec. Publ. 381, Bibliography of

Ion-Molecule Reaction Rate Data

(January 1950 October 1971) - George A. Sinnott (1973). SD

Catalog No. C13. 10:331. $1.15

Spec. Publ. 392, Vibrationally

Excited Hydrogen Halides: A Bibliography on Chemical

Kinetics of Chemiexcitation and

Energy Transfer Processes (1958

through 1973) - Francis Westley

(1974). SD Catalog No.

C13. 10:392. $1.30

Spec. Pub. 396-1, Critical

Surveys of Data Sources

Mechanical Properties of Metals

- R.B. Gavert, R.L. Moore, and

J.H. Westbrook (1974). SD

Catalog No. C13. 10 : 396-1. $1.25

43
NBS Tech. Note 291, A Bibliography

on Ion-Molecule Reactions

,

January 1900 to March 1966 - F.N. Ilarllee, H.M. Rosenstock,

and J.T. Herron (1966). SD

Catalog No. C13. 46:291. $0.75

NBS Tech. Note 464, The NBS Alloy

Data Center: Functiont Bibliographic System, Related

Data Centers, and Reference

Books - G.C. Carter, L.H.

Bennett, J.R. Cuthill, and D.J.

Kahan (1968).*

NBS Tech. Note 554, Annotated

Accession List of Data

Compilations of the NBS Office

of Standard' Reference Data

H.M. Weisman and G.B., Sherwood

(1970). SD *CataIog No.

C13. 46:554. $2.20

NBS Tech. Note 747, Critical

Evaluation of Data <in the

Physical Sciences - A Status

Report on the National Standard

Reference Data System, June

1972 - S.A. Rossmassler (1972).

SD Catalog No. C13. 46:747.

$1.25

NBS Tech. Note 843, A Bibliography

of the Russian Reference Data

Holdings of the Library of the

Office of Standard Reference

Data - Gertrude B. Sherwood

and Howard J. White, Jr.

(1974). SD Catalog No.

C13. 46:848. $.55. A Compilation of Volumes I-IV of

Bibliography on High Pressure

Research with Author -and

Subject Indexes, Volumes I and

II - J.F. Cannon and L. Merrill

(1972). published by and

available from. the High

Pressure Data Center, ' firigh'am

Young University, Provo , Utah

84601.

Bibliography of Photoabsorption

Cross Section Data - L.J.

Kieffer, JILA Information

Center Report No. 5 (1968). PB

189 132.*

Bibliography of Ion-Molecule

Reaction Rate Data - G.A.

Sinnott, JILA Information

Center Report No. 9 (1969). AD

695 692.*

Bibliography of Low Energy Electron

Collision Cross Section Data

(1967-1969) - G.E. Chamberlain

and L.J. Kieffer, JILA

Information Center Report 10,

(1970). AD 865 520.*

Line and Band Emission Cross Section

Data for Low Energy Electron

Impact - L.J. Kieffer,

Appendix B in JILA Information

Center Report No. 12,

Proceedings of the Workshop on Dissociative Excitation of

Simple Molecules (1972).

Specifications for Evaluation of

Infrared Reference Spectra

Board of Managers, Coblentz

Society, Analytical Chemistry , Vol. 38, No. 9, 27-38 (August

1966).

Recommendations for Data Compilations and for the Reporting of

Measurements of the Thermal

Conductivity of Gases

Journal of Heat Transfer , November iTTl . Liquid-Vapour Equilibria on Systems

of Interest in Cryogenics - A •Survey - A.J. Kidnay, M.J.

Hiza, and R.C. Miller,

Cryogenics , Vol. 13, No. 10,

57 5 - 599 (Oct. 1973).

Bulletin of Thermodynamics and

Thermochemistry - Commission on Thermodynamics and

Thermochemistry, International

Union of Pure and Applied

Chemistry, Edgar F. Westrum,

Editor.

No. 10, March 1967.

No. 11, June 1968.

No. 12, June 1969.

No. 13, July 1970.

, No. 14, May 1971.

No. 15, May 1972.

No. 16, May 1973.

Subscriptions and orders for single

copies should be addressed to:

. University of Michigan

Publications Distribution

Service

615 East University Avenue

Ann Arbor, Michigan 48106

NBS-OSRDB-70-l-Vol. 1, High Pressure

Bibliography 1900-1968, ' Volume

I. Section I - Bibliography

,

Section II. Author Index - Leo

Merrill (1970). PB 191 174.*

NBS-OSRDB-7 0-l-Vol. 2,' Htgh Pressure

Bibliography 1900-1968, . Volume

II. Subject Index - Leo. Merrill

(1970). PB 191 175.*

NBS-OSRDS-70-2, The NBS Alloy Data

Center: Auther Index - G.C.

Carter, D.J. Kahn," L.H.

Bennett, J.R. Cuthill, and R.C.

Dobbyn (1970). COM-71-00722 .

44
NBS-OSRDB-70-3, Semiempirical and NBS

Approximate Methods for

Molecular Calculations

Bibliography and KWIC Index

George A. Henderson and Sandra

Frattali (1969). AD 705 110.*

NBS-OSRDB-70-4, Bibliography of

Photoabsorption Cross Section

Data - Robert D. Hudson and Lee NBS

J. Kieffer (1970). COM-71- , 00025.*

NBS-OSRDB-71-1, Bibliography on Properties of Defect Centers in

Alkali Halides - S.C.- Jain,

S.A. Khan, H.K. Seheal, V.K.

Garg, and R.K. Jain (1971). :J3S

COM-71-00248.*

NBS-OSRDB-71-2, A Bibliography of

Kinetic Data on Gas Phase

Reactions ' of Nitrogen, Oxygen,

and Nitrous Oxides - Francis

Westley (1970). COM-71-00841.

Tech. Note 760, Description of

the Magnetic Tape Version of

'the Bulletin of Thermodynamics

and Thermochemistry , Ho. 14

R. McClenon, 17.11. Evans, D. Garvin, and B.C. Duncan (1973).

SD Catalog No. C13.46:760.

$0.90

Tech. Note 820, Complete Clear

Text Representation o?

Scientific Documents in

Machine-Readable Form - Blanton

C. Duncan and David Garvin

(1974). SD Catalog No.

C13. 46:320. $0.70

Handbook 101, . OMNITAB, A Computer Program for Statististical and Numerical Analysis

- J. Hilsenrath, G.G. Ziegler,

C.G. Messina, F.J. T 7alsh, and

R.J. Hcrbold (Revised January

1963).*

Non Data Fublications from

NSRDS Related Projects

Computer Programs for

Handling Technical Data

Bibliographic Publications of the

Atomic and Molecular

Processes Information Center

Oak Ridge National Laboratory

Oak Ridge, Tennessee

NBS Tech. Note 444, Reform: A General-Purpose Program for

Manipulating Formatted Data

Files - R.C. McClenon and J.

Hilsenrath (1968).*

NBS Tech Note 470, Edpaa: Utility

Programs for Computer-Assisted

Editing, Copy-Production, and

Data Retrieval - C.G. Messina

and J. Hilsenrath (1969). SD

Catalog No. C13.46:470., $1.35

NBS Tech. Note 500, Edit-Ineertion

Programs for Automatic Typesetting of Computer Printout - C.G. Messina and J. Hilsenrath

(1970). PB 191 352.*

NBS Tech. Note 700, COMBO: A General-Purpose Program for

Searching, Annotating, Encoding-Decoding, and Reformatting Data Files - Robert

McClenon and Joseph Hilsensath

(1972). SD Catalog No.

C13. 46:700. $1.30

NBS Tech. 740, SETAB: An Edit/Insert*

Program for Automatic Typesetting of Spectroscopic dnd

Other Computerized Tables

Robert C. Thompson and Joseph

Hilsenrath (1973). SD Catalog

No. C13. 46:740. $0.55

ORNL-AMPIC-1, Bibliography of Atomic

and Molecular Processes for

1963 - (July 1965).*

ORNL-AMPIC-2 , Directory of International Workers in the Field

of Atomic and Molecular

Collisions, September 1965.

ORNL-AMPIC-3, Bibliography of Atomic

and Molecular Processes for

1964 - (March 1966).*

ORNL-AMPIC-6 , Bibliography of Atomic

and Molecular Processes for

July - December 1965

(September 1967).*

ORNL-AMPIC-7; Bibliography of Atomic

and Molecular Processes for

January'': - June 1966 - (October

1967).*

ORML-AMD IC-8 , Bibliography of Atomic

and. Molec-ular Processes ' for

July - December 1966 - (October

1967).*

ORNL-AMPIC-9, Bibliographic of

Atomic and Molecular Processes

for January - June 1967

"(January 1963).*

ORNL-A'fPIC-10, Bibliography of

Atomic and Molecular Processes

for July - December 1967

(June 1963).*

45
ibliography of

leaular Processes

- June 1968 - ).*

ibliography of

leaular Processes

December 1968

ibliography of

leaular Processes

- December 1969 -

) . * . ibliography of

leaular Processes

- December 1970 -

Bibliographic Publications of the

Radiation Chemistry Data Center

University of Notre Dame

Notre Dame, Indiana

COO-3S-595, Bibliography on Electron

Spin Resonance of Radiation

ORNL-AHPIC-11, B Atomic and Ho

for January

(January 1969

ORNL-AMPIC-12, B Atomic and Mo

for July

(June 1969).

ORNL--AMPIC-13, B Atomic and Mo

for January

(November 197

ORNL-•AMPIC-14, B Atomic and Mo

for January

(June 1972).

Produced Radicals (November

1967). * COO-38-621, Thesaurui for Radiation

Chemistry - Revised (August

1969).*

COO-38-641, Bibliography on the

Radiation Chemistry of Aqueous

Solutions. I. Amino Acids - Revised (August 1969).

COO-33-u42, Bibliography on the

Radiation Chemistry of Aqueous

Solutions. II. Carbohydrates - Rev i s c d ( Augu s t 1969).*

COO-38-643, Bibliography on Radiation Chemistry of Alcohols

and Phenols - (November 1968).*

COO-38-661, Bibliography on Radiation Chemistry of Alkanes

- (May 1969).*

Weekly List of Papers on Radiation

Chemistry j Index and Cumu--

lation, Volume IV, Numbers 1-

26, January through June 1971

(August 1971). COM-71-01103.*

Index and Cumulative List of Papers

on Radiation Chemistry , Volume

IV, Numbers 27-52, July through

December 1971 (January 1972).

COI1-72-10266."

Index and Cumulative List of Papers

on Radiation Chemistry 3 Volume

V, Numbers 1-16, January

through June 1972 (July 1972).

COM-72-10621.*

Index and Cumulative List of Papers

on Radiation Chemistry, Volume

V, Numbers

December 197

COM-73-10281

Index and Cumulat

on Radiation

VI

,

Number

through June

COM-73-11878

Index and Cumulat

on Radiation

VI , Numbers

December 197

COM- 74 -108 99

27-52, July throueh

2 (January

* 1973).

ive List of Pavers

Chemistry 3 Volume

s 1-26, January

1973 (July 1973).

/8AS.*

ive List o? Papers

Chemistru3 Volume

27-52, July through

3 (January 1974).

* Available

Information

from National Technical

Service, Springfield,

Va. 22151; use PB , AD, or' COM number

when given or use the series number.

** Available from J. Fuhr, National

Bureau of Standards, Phys. Bldg.

Room A267, Washington, D.C. 20234.'

46
NBS-1 14A (REV. 7-73)

U.S. DEPT. OF COMM. BIBLIOGRAPHIC DATA

SHEET

1. PUBLIC ATION OK REPORT NO. NBS TN-881

2. Gov't Accession

No.

4. TITLE AND, SUBTITLE

Critical Evaluation of Data in the Physical Sciences -- A Status Report on the National Standard Reference Data

System, April 1975

3. Recipient's Accession No.

5. Publication Date- September 1975

6. Performing Organization Code

h AUTHOR(S)

Stephen A. Rossmassler, Editor

8. Performing Organ. Report No.

?. PERFORMING ORGANIZATION NAME AND ADDRESS

NATIONAL BUREAU OF STANDARDS

DEPARTMENT OF COMMERCE

WASHINGTON, D.C 20234

18. Projeet/Task/Work Unit No. 1510101

11. Contract/Grant No.

2. Sponsoring Organization Name and Complete Address (Street, City, State, ZIP)

Same as Item 9.

13. Type of Report & Period Covered

14. Sponsoring Agency Code

5. SUPPLEMENTARY NOTES

Library of Congress Catalog Card Number: 75-600066

6. ABSTRACT (A 2 00- word or less (actual summary of most significant information. If document includes a significant

bibliography or literature survey, mention it here.)

This is a report on the status of the National Standard Reference Data System as of April 1975. Current activities and functions of the Office of Standard Reference

Data are summarized. A complete list of data evaluation projects supported by the

Office of Standard Reference Data during Fiscal Year 1975 is included; this list

also includes projects which received financial support during the previous fiscal

year, and which are still actively involved in some aspect of data compilation and

evaluation. The list of projects includes continuing data centers in the United

States whose activities fall within the scope of the system, but which are not formally

affiliated with it. A list of publications resulting from the Standard Reference Data

program is provided.

'. KEY WORDS (six to twelve entries; alphabetical order; capitalize only the first letter of the first key word unless a proper name; separated by semicolons) Atomic and molecular data; chemical kinetics; colloid and

surface properties; mechanical properties; nuclear data; standard reference data;

solid state data; thermodynamic data, transport properties.

J. AVAILABILITY QT Unlimited

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