International
Tables for
Crystallography
Volume G
Definition and exchange of crystallographic data
Edited by J. R. Hester and B. McMahon

© International Union of Crystallography 2026
International Tables for Crystallography (2026). Vol. G. Early view chapter
https://doi.org/10.1107/97809553602060001012

Chapter 4.3 Multi-block CIF dictionary
⋯ > [EXPTL] > SPACE_GROUP > SPACE_GROUP_WYCKOFF

Index

Multi-block CIF dictionary version 1.1.0

Category SPACE_GROUP_WYCKOFF

Name:
'SPACE_GROUP_WYCKOFF'

Parent category:
SPACE_GROUP

Definition:

   
    Data items in the SPACE_GROUP_WYCKOFF category
    contain information about Wyckoff positions of a space group.
    Only one site can be given for each special position, but the
    remainder can be generated by applying the symmetry operations
    stored in _space_group_symop.operation_xyz.

Category is of type Loop

Category keys:
    _space_group_Wyckoff.id
    _space_group_Wyckoff.space_group_id

This category contains the following items








































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