Version 1 of WebCSD heavily relied on the use of Java applets for visualising structures, sketching and for browsing search results. We have now upgraded the WebCSD interface to use alternative technologies (based on JavaScript) that allow more effective cross-platform usage (WebCSD v2).

WebCSD v2 is now the default supported system, but to allow a transition period between these two systems we will ensure that the original version of WebCSD (v1) is available for users for a while longer. If you would like to continue using WebCSD v1 for now you can still click through to WebCSD v1 from the Structure Search page of WebCSD v2 (see the "Go to WebCSD v1" button), or directly access If you have any questions or concerns about this transition, please do contact us through CCDC support.

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