​​The Cambridge Crystallographic Data Centre (CCDC).
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How do I obtain PreQuest to create and manage an in-house database of my own structures?


It is now possible to manage your own structures and create in-house databases via our online My Structures service. For more information see the FAQ “What is the ‘My Structures’ service?

Our PreQuest software is no longer available; new structure editing and validation software, CSD Editor, is available to download from our website and can be used, like PreQuest, to update information in the datasets from your ‘My Structures’ view.

For any queries regarding PreQuest or existing in-house databases please contact us at support@ccdc.cam.ac.uk