Core dictionary (coreCIF) version 2.3.1
_geom_angle_atom_site_label_
Names:'_geom_angle_atom_site_label_1' '_geom_angle_atom_site_label_2' '_geom_angle_atom_site_label_3'
Definition:
The labels of the three atom sites which define the angle given by _geom_angle. These must match labels specified as _atom_site_label in the atom list. Label 2 identifies the site at the apex of the angle.
Appears in list as essential element of loop structure
Must match data name_atom_site_label
Type: char
Category: geom_angle