Core dictionary (coreCIF) version 2.3.1




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

The permitted range is 0 -> infinity

Type: numb

Category: refine

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