(1<i>R</i>,8<i>R</i>,11<i>R</i>)-3,3,11-Trimethyl-6,6-ethylenedioxybicyclo[6.3.0]undecan-2-one and (1<i>R</i>,2<i>R</i>,8<i>R</i>,11<i>R</i>)-3,3,11-trimethyl-6,6-ethylenedioxybicyclo[6.3.0]undecan-2-ol
Yoshinobu Inouye; Acta Crystallographica Section C 56 (2000) e361–e362; doi:10.1107/S0108270100009616

data_2011268
_publ_section_title
;(1<i>R</i>,8<i>R</i>,11<i>R</i>)-3,3,11-Trimethyl-6,6-ethylenedioxybicyclo[6.3.0]undecan-2-one
 and
 (1<i>R</i>,2<i>R</i>,8<i>R</i>,11<i>R</i>)-3,3,11-trimethyl-6,6-ethylenedioxybicyclo[6.3.0]undecan-2-ol
;
_journal_issue                   8
_journal_name_full               'Acta Crystallographica Section C'
_journal_page_first              e361
_journal_page_last               e362
_journal_paper_doi               10.1107/S0108270100009616
_journal_volume                  56
_journal_year                    2000
_chemical_formula_moiety         'C16 H26 O3'
_chemical_formula_sum            'C16 H26 O3'
_chemical_formula_weight         266.37
_chemical_melting_point          361.5(5)
_chemical_name_systematic
;
(1R,8R,11R)-3,3,11-Trimethyl-6,6-ethylenedioxybicyclo[6.3.0]undecan-2-one
;
_space_group_IT_number           19
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  'P 2ac 2ab'
_symmetry_space_group_name_H-M   'P 21 21 21'
_audit_creation_method           SHELXL
_cell_angle_alpha                90.00
_cell_angle_beta                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   15.594(3)
_cell_length_b                   16.837(2)
_cell_length_c                   5.6919(8)
_cell_measurement_reflns_used    25
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      13.57
_cell_measurement_theta_min      10.01
_cell_volume                     1494.4(4)
_computing_cell_refinement       'CAD4 Software (Enraf-Nonius, 1989)'
_computing_data_collection       'CAD4 Software (Enraf-Nonius, 1989)'
_computing_data_reduction        'MolEN (Fair, 1990)'
_computing_molecular_graphics    'ORTEPII (Johnson, 1976)'
_computing_publication_material  'SHELXL-93 (Sheldrick, 1993)'
_computing_structure_refinement  'SHELXL-93 (Sheldrick, 1993)'
_computing_structure_solution    'SHELXS-86 (Sheldrick, 1990)'
_diffrn_ambient_temperature      293(2)
_diffrn_measurement_device_type  'Enraf-Nonius CAD4'
_diffrn_measurement_method       \w--2\q
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     .71073
_diffrn_reflns_av_R_equivalents  .0000
_diffrn_reflns_av_sigmaI/netI    .0653
_diffrn_reflns_limit_h_max       22
_diffrn_reflns_limit_h_min       0
_diffrn_reflns_limit_k_max       24
_diffrn_reflns_limit_k_min       0
_diffrn_reflns_limit_l_max       8
_diffrn_reflns_limit_l_min       0
_diffrn_reflns_number            2616
_diffrn_reflns_theta_max         30.51
_diffrn_reflns_theta_min         1.78
_diffrn_standards_decay_%        5.1
_diffrn_standards_interval_time  120
_diffrn_standards_number         3
_exptl_absorpt_coefficient_mu    .080
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.184
_exptl_crystal_density_meas      ?
_exptl_crystal_description       needle
_exptl_crystal_F_000             584
_exptl_crystal_size_max          .50
_exptl_crystal_size_mid          .20
_exptl_crystal_size_min          .20
_refine_diff_density_max         .440
_refine_diff_density_min         -.418
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_all   1.066
_refine_ls_goodness_of_fit_ref   1.038
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     243
_refine_ls_number_reflns         2616
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.066
_refine_ls_restrained_S_obs      1.038
_refine_ls_R_factor_all          .172
_refine_ls_R_factor_gt           .068
_refine_ls_shift/esd_mean        .000
_refine_ls_shift/su_max          .005
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w = 1/[\s^2^(Fo^2^)+(0.1375P)^2^] where P = (Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_all         .253
_refine_ls_wR_factor_ref         .168
_reflns_number_gt                1316
_reflns_number_total             2616
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            qa0352.cif
_cod_data_source_block           I
_cod_depositor_comments
;
The following automatic conversions were performed:

'_chemical_melting_point' value '361-362' was changed to '361.5(5)' -
the average value was taken and precision was estimated.

Automatic conversion script
Id: cif_fix_values 1646 2011-03-28 12:23:43Z adriana 

The following automatic conversions were performed:

'_chemical_melting_point' value '361-362' was changed to '361.5(5)' -
the average value was taken and precision was estimated.

Automatic conversion script
Id: cif_fix_values 1715 2011-07-08 13:25:40Z adriana 

The following automatic conversions were performed:

'_exptl_crystal_density_meas' value 'not measured' was changed to '?'
- the value is perceived as not measured.

Automatic conversion script
Id: cif_fix_values 3008 2015-01-20 13:52:24Z robertas 
;
_cod_database_code               2011268
_cod_database_fobs_code          2011268