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Core CIF Dictionary version 2.3




Category: refine

Data type: numb

Enumeration range: 0 -> infinity


   The number of restrained parameters. These are parameters which
   are not directly dependent on another refined parameter. Often
   restrained parameters involve geometry or energy dependencies.
   See also _atom_site_constraints and _atom_site_refinement_flags.
   A general description of refinement constraints may appear in

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