International
Tables for
Crystallography
Volume G
Definition and exchange of crystallographic data
Edited by J. R. Hester and B. McMahon

International Tables for Crystallography (2026). Vol. G. Early view chapter
https://doi.org/10.1107/97809553602060001011

Chapter 4.2 Core dictionary (coreCIF)


Index

Core dictionary version 3.3.0

_atom_site.refinement_flags_occupancy

Name:
_atom_site.refinement_flags_occupancy

Alias:
_atom_site_refinement_flags_occupancy

Definition:

   
    A code which indicates the refinement restraints or constraints
    applied to the occupancy of this site.

Type: Text


The data value must be one of the following:


.
No constraints on site-occupancy parameters.

P
Site-occupancy constraint.

Category:
atom_site








































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