The EPSRC Physical Sciences Data-science Service (PSDS) is run by a consortium between the University of Southampton and the STFC. For details go to the PSDS portal link at the top right of this page.

Daresbury runs the CrystalWorks system for the PSDS. Access CrystalWorks using the link at the top left of this page. You can get to CrystalWorks via the PSDS portal, but access here provides more options.

These include standalone access to the Crystallography Open Database as well as various example structure collections under the CrystalWorks umbrella. The additional options do not require any registration and are all open access.