A service of the
International Union of Crystallography
checkCIF reports on the consistency and integrity of crystal structure determinations reported in CIF format.
Please upload your CIF using the form below.
This version of checkCIF includes checks on:
• CIF syntax and construction
• Cell and geometry details
• Space-group
symmetry
• Anisotropic displacement parameters
• Structure factors
Useful links
Prepublication check for submissions to IUCr journals
Details of checkCIF/PLATON tests
CIF dictionary
Download CIF editor (publCIF) from the IUCr
Download CIF editor (enCIFer) from the CCDC