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Macromolecular dictionary (mmCIF) version 2.0.09




   The code identifying the class to which this reflection has been
   assigned. This code must match a value of _reflns_class.code.
   Reflections may be grouped into classes for a variety of
   purposes. For example, for modulated structures each reflection
   class may be defined by the number m=sum|m~i~|, where the m~i~
   are the integer coefficients that, in addition to h,k,l, index
   the corresponding diffraction vector in the basis defined
   for the reciprocal lattice.

Type: code

Mandatory item: no

_refln_class_code (cif_core.dic version 2.3)

Category: refln