Crystallographic Information Framework

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Modulated and composite structures dictionary (msCIF) version 1.0.1




   The code that identifies an atom or rigid group in a loop in
   which the parameters of the special function that describes its
   occupational modulation are listed. This code must match
   the _atom_site_label of the associated coordinate list and
   conform to the rules described in _atom_site_label.

Appears in list as essential element of loop structure

Must match data name_atom_site_label

Type: char

Category: atom_site_occ_special_func