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Core CIF Dictionary version 2.3




Category: geom_hbond

Data type: numb (with optional s.u. in parentheses)

Must appear in a looped list containing '_geom_hbond_atom_site_label_'

Units: deg ( degrees)


   Angle in degrees defined by the three sites
   _geom_hbond_atom_site_label_D, *_H and *_A. Site at *_D
   (the hydrogen atom participating in the interaction) is at
   the apex of the angle.

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