Crystallographic Information Framework

[CIF logo]

Index

Macromolecular dictionary (mmCIF) version 2.0.09

_geom_torsion.site_symmetry_2

Name:
'_geom_torsion.site_symmetry_2'

Definition:

   The symmetry code of the second of the four atom sites that
   define the torsion angle.

Examples:

. no symmetry or translation to site
4 4th symmetry operation applied
7_645 7th symm. posn.; +a on x; -b on y

Type: symop

Mandatory item: yes

Alias:
_geom_torsion_site_symmetry_2 (cif_core.dic version 2.0.1)
Enumeration default: 1_555

Category: geom_torsion