This is an archive copy of the IUCr web site dating from 2008. For current content please visit https://www.iucr.org.
[IUCr Home Page] [CIF Home Page] [mmCIF Home Page]

Item _refine.ls_abs_structure_Flack


| Top | Dictionary | Category Groups | Categories | Items | Data |

Description


              The measure of absolute structure (enantiomorph or polarity) as
               defined by Flack. The value must be between 0. and 1. with a
               standard uncertainty (e.s.d.).

               Ref: Flack, H. D. (1983). Acta Cryst. A39, 876-881.

Category

refine

Mandatory Code

no

Data Type Code

float

Enumeration Range

Minimum Value Maximum Value
1.0 1.0
0.0 1.0
0.0 0.0

Alias Names

Alias Name Dictionary Version
_refine_ls_abs_structure_Flack cif_core.dic 2.0.1

Related Items

Related Item Related Function
_refine.ls_abs_structure_Flack_esd associated_esd

| Top | Dictionary | Category Groups | Categories | Items | Data |



This HTML dictionary was created using the
CIFLIB C Language Application Program Interface
at the
Resource Collaboratory for Structural Bioinformatics
Rutgers University, Department of Chemistry
New Brunswick, New Jersey
help@rcsb.rutgers.edu