Crystallographic Information Framework

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Modulated and composite structures dictionary (msCIF) version 1.0.1


'_geom_torsion_max' '_geom_torsion_min' '_geom_torsion_av'


   Maximum, minimum and average torsion angles in degrees bounded
   by the four atom sites identified by the
   _geom_torsion_atom_site_label_ codes. These must match labels
   specified as _atom_site_label in the atom list. The torsion-
   angle definition should be that of Klyne and Prelog (1960).

   Ref: Klyne, W. & Prelog, V. (1960). Experientia, 16, 521-523.

Appears in list containing _geom_torsion_atom_site_label_

Type: numb

Category: geom_torsion