Core dictionary (coreCIF) version 2.4.5




   The enantioexcess of the crystal used for the diffraction
   study. A value of 0.0 indicates the racemate. A value of
   1.0 indicates that the crystal is enantiomerically pure.

   Enantioexcess is defined in the IUPAC Recommendations
   (Moss et al., 1996).

   Ref: Moss G. P. et al. (1996). Basic Terminology of
        Stereochemistry. Pure Appl. Chem., 68, 2193-2222. 

The permitted range is 0.0 -> 1.0

Type: numb

Category: chemical