Core dictionary (coreCIF) version 2.3.1
_geom_hbond_atom_site_label_
Names:'_geom_hbond_atom_site_label_D' '_geom_hbond_atom_site_label_H' '_geom_hbond_atom_site_label_A'
Definition:
The labels of three atom sites (respectively, the donor atom, hydrogen atom and acceptor atom) participating in a hydrogen bond. These must match labels specified as _atom_site_label in the atom list.
Appears in list as essential element of loop structure
Must match data name_atom_site_label
Type: char
Category: geom_hbond