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Cambridge Structural Database (CSD) is the world’s repository for small-molecule organic and metal-organic crystal structures and has become an essential resource to scientists around the world. It is continually updated with new structures (>50,000 new structures each year) and with improvements to existing entries.

CSD contains over 800,000 entries from x-ray and neutron diffraction analyses that allows you to create a unique database of accurate 3D structures. Each database entry is enriched with bibliographic, chemical, and physical property information. Learn more.

How to obtain


CSD licensed by the MIT Libraries for use by all MIT faculty, staff, and students for use during in-class instruction or for academic research. IS&T works with the MIT Libraries to make the software available for download.

Questions about obtaining CSD: Contact the IS&T Service Desk

Download CSD 2021 (MIT certificate required)

Important: Follow the installation instructions below for CSD prior to downloading CrossMiner.

Download CrossMiner
CrossMiner is an interactive pharmacophore query tool that allows users to identify patterns and ideas for lead optimization and scaffold hopping.


Important: Do not install directly over a previous installation - use a new folder instead. IS&T recommends uninstalling previous versions of ConQuest, Mercury, Mogul, and CSD data files and removing all CSD data update files before you install the current version.