Twinning dictionaryThe twinning CIF dictionary contains names and definitions of twinning data items recognized by the International Union of Crystallography for the exchange of data between laboratories and submissions to journals and databases.
Current official release
Ongoing development of the twinning dictionary using the DDLm dictionary definition language can be viewed on GitHub.
- Twinning CIF dictionary (DDLm version)
- Twinning CIF dictionary (legacy DDL1 version to track changes since the last official release)
Last updated 23 June 2022