Used in post-SCF programs only. This common block contains information which is extremely useful in the coding of contractions. The meaning of the variables is slightly complicated, but worth learning if any serious coding is being planned. Use of these variables is perhaps most easily learned by studying pieces of the ACES II source code, particularly programs such as vcc.f, lambda.f and dens.f. The variable ID is not used.
All variables are integers.
Used in post-SCF programs only. Of course, a number of other common blocks are used, but these are necessarily specific to the program in which they are used and knowledge of their content is usually not necessary for program interfacing or developement.