​​The Cambridge Crystallographic Data Centre (CCDC).
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What data format is available for download from the Access Structures service?


The free Access Structures service offers downloads in a CIF file format. A successful search (using either the deposition number, DOI of the journal article, DOI of the CSD entry or CSD refcode) displays a summary page including a “Download” button to download the structure data in CIF format. Read and accept the conditions of use to activate the download feature. Once you complete this first time verification step, you may select the "Download" button to download the required CIF file(s).