Chemistry / Engineering / MPA / Penn Libraries

2016 Cambridge Structural Database Now Available for Download

The 2016 release of the Cambridge Structural Database (CSD) is now available for download to any computer for use on campus.  CSD is a repository of over 800,000 small-molecule organic and organometallic crystal structures built by the non-profit Cambridge Crystallographic Data Centre in the UK.  Penn Libraries have been providing a site license to the database for the past several years.  It can be searched using either a desktop client, which may be installed on any on-campus computer, or a Web-based search interface, accessible from any on or off-campus location.

This year, all academic users have been upgraded to the CSD Enterprise suite of resources (see, free of charge.  This includes access to the CZUVWEUSD and its helper apps; the GOLD protein-ligand docking system; Relibase, a protein database; the ability to search for solid form information and interactions; and many other things.  In addition, recent enhancements to the Mercury visualization program packaged with CSD include the ability to make movies of processes and interactions and to export crystal structures as 3D printing patterns.

To download the client to your computer, simply visit, and click on the link to download the client software.  This will take you to a Penn Libraries page that includes the download link, as well as the site number and confirmation code that you will need to download the software.  Visiting the download link presents you with a form in which to enter your e-mail address, the site number, and the code, which, in turn, will generate an e-mail to you with links to download the various applications available through our subscription.

Please note that the CSD desktop client will only work from on-campus locations.  If you wish to use CSD from off-campus, you must use CSDWeb, which is also linked from  If you have any questions about downloading or using the CSD, please contact Judith Currano in the Chemistry Library.

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