DIRDIF - MAIN PAGE
The DIRDIF system of programs
Various automatic options are available by selecting the appropriate item from the menu, otherwise the user may select interactive mode.
The DIRDIF program system is most useful under the following circumstances:
- PATTY -
for all structures with heavy atoms, including P and S.
- ORIENT -
for all structures of molecules with (partly) known geometry
- TRACOR -
when ab-initio direct methods gave a misplaced fragment.
- PHASEX -
for expansion of a small fragment to the complete structure.
- PHASEX -
to solve a enantiomorph or a super- or pseudo-symmetry problem.
For other program options see:
ORBASE ,
DIRP1 ,
FOUR ,
CRYSDA , and
MERBIN see also DIRDIF files
If there has been any program faults during a DIRDIF for Windows
session, it is generally advisable to delete all DIRDIF files using the
FullTidy menu option, then start again.