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World-leading experts in structural chemistry data, software and knowledge for materials and life science research and application

Big data leads the way for structural chemistry

The Cambridge Structural Database reaches 1,000,000 structures. Find out more here.

Daily CSD Total




In this white paper we introduce a knowledge based approach to improving effectiveness, quality and risk assessment in the development of solid formulations of drugs, agrochemicals and molecular materials..

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Latest data updates

UPDATE 3 - 2019

With 14,673 new entries, this update brings the total size of the CSD to 1,023,815 entries and 1,006,180 unique structures. This takes the release past one million structures for the first time!

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CSD Logo For Deposit Structures

Deposit Structures

Upload your data for inclusion in the Cambridge Structural Database or the Inorganic Crystal Structure Database

Access Structures

View and retrieve structures in the Cambridge Structural Database

CSD 2019 Download Available

CSD 2019

Available Now. The world's repository for small-molecule crystal structures. Download CSD 2019.

Next Event

Webinar: Customer Updates

Join us for this upcoming customer updates webinar for users of CCDC tools and services.  The webinar will cover: Welcome and introdu...

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Latest Blog

CSD Heroes: A huge thank you to Seik Weng Ng

In the year that the CSD hit one million structures we wanted to highlight and thank some of the most prolific contributors to the database. The first...

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Latest News

CCDC announces third data and software release of 2019

Advancing structural science on multiple fronts

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Latest Tweets by @ccdc_cambridge

RT @cnitsche: What's up? Starting a monthly webinar at @ccdc_cambridge to highlight what is new, provide tips/ tricks & answer question…

20/09/2019 9:00

Our #FeaturedStructureFriday today is from a recent publication in Organic & Biomolecular Chemistry by Kyosuke Isoda, Makoto Tadokoro and co-workers. The structure (CSD refcode WOHLUD is a highly unusual example of an n-type organic semiconductor.

20/09/2019 3:01

A month to go until the Rational Solid Form Design and Development Summit in Massachusetts. Be part of discussions on the latest advancements and computational tools in #drugdesign and #drugdev, register your place: #materialsscience #rsfd19

20/09/2019 2:01