Item _atom_site.refinement_flags


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Description 


              A concatenated series of single-letter codes which indicate the
               refinement restraints or constraints applied to this site.

Category

atom_site

Mandatory Code

no

Data Type Code

ucode

Enumeration Values

Item Value Description
n.a. no refinement constraints
S special position constraint on site
G rigid group refinement of site
R riding atom site attached to non-riding atom
D distance or angle restraint on site
T thermal displacement constraints
U Uiso or Uij restraint (rigid bond)
P partial occupancy constraint

Alias Names

Alias Name Dictionary Version
_atom_site_refinement_flags cif_core.dic 2.0.1

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