​​The Cambridge Crystallographic Data Centre (CCDC).
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What is an embargo date?


The embargo date is initially one year from the point that the data is deposited at the CCDC and the data is essentially kept on hold for the depositor. During the embargo period the data is not disclosed to the public unless the data is published in the literature or directly with the CCDC as a CSD Communication or with FIZ Karlsruhe as an ICSD Communication..

After this embargo period we will contact you, and you can choose to make the data public through the CSD or ICSD or to extend the embargo period by a further year.

You may now extend the embargo period yourself through our deposition services. To do this you will first need to register for an account on our website; after logging in go to the 'My Structures' view where you will see a list of your deposited structures. Any structure that has a status of 'Unpublished' has not been made accessible to the public or added to the CSD or ICSD. To look at the 'Embargoed Date' for these structures click on the 'Details' button. You will then be shown a Details page including the Embargoed Date and you can extend this date for another year by pressing 'Extend'.

Currently your data will not be disclosed to the public when your Embargoed Date expires and we use this date to remind you about any unpublished structures and ascertain from you what you would like to do with the data.