When CENT, AXIS, or PLAN lines are in the input stream with blanks in
columns 8 and 9, lower "Z" space group (sub-group) routines are
automatically called as shown in the following lists:

                                 Table II
 
                 "Sub-Space Groups" Called When Molecules
                          Have Internal Symmetry
 
Center of Symmetry      Two-fold Axis          Mirror Plane
 
Entered   Called        Entered   Called       Entered   Called
AB        AA            AE        SA           AC        SA
CA        AA            AJ        AG           AN        AF + AH
AI        SD            AL        AG           AO        AE
AJ        SE            AO        AC           BJ        SL
AK        SD            AP        SF           BK        SM
AL        SE            AR        SH           CF        SO + SP
AM        SC + SD       AT        SH           FB        AE
AN        SB            AW        SI
FA        SC + SD       AX        SK
FB        SB            BA        SF
FC        SC + SD       BB        SF
FD        SE            BC        SG
CB        SN            BE        SH
CC        SN            BG        SI
CD        SV            BI        SK
CE        SV            BK        SJ
DC        DB            CD        SQ + SR + SS
DD        DB            CE        SQ + SR + SS
DE        DB            DC        DA
                        DD        DA
                        DE        DA
                        DF        ST
                        DG        ST
                        FD        AG