Definition:
A code which indicates that refinement restraints or constraints were applied to the occupancy of this site.
Type: code
Mandatory item: no
Alias:Related item: _atom_site.refinement_flags_posn (alternate)
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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