Crystallographic Information Framework

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Core CIF dictionary

The core dictionary is a set of data names designed to cover the requirements of archiving and exchanging raw and processed data and derived structural results for single-crystal small-molecule and inorganic crystal studies.

Current official releases

Development versions

Ongoing development of the core dictionary using the DDLm dictionary definition language can be viewed on GitHub.

Archival versions

Work in progress

The working discussions of the Core Dictionary Maintenance Group, a COMCIFS subcommittee responsible for the maintenance of the Core dictionary, may be reviewed for indications of current areas of evolution within the dictionary.


Updated 23 June 2022