These statistics are generated weekly using the CSD Python API, and give a summary of the data available through our online Access Structures service. Additional statistics produced as an annual snapshot of the CSD are available from the Documentation and Resources page.

The number 'CSD Structures' refers to the number of unique crystallographic data collections deposited at the CCDC. The number of CSD entries is a slightly larger value, as each CSD entry corresponds to a published reference to a dataset.

Based on the current rate of growth the of CSD, the millionth structure is predicted to added by July 2019.

CSD Growth

Number of Entries in CSD

973,849

Unique Structures in CSD

958,065

Unique Author Names

380,118

Unique Publications

474,543

Top Journals This Year

CSD Communications

This Year
2,018
To Date
25,766

Number of Refcode Families

885,669

Number of Polymorph Families

10,530

Structures with Melting Points

167,719

Milestone Structures

Number Refcode
200,000th VAVFAZ
250,000th IBEZUK
300,000th EHUFUI
500,000th EFEMUX01
750,000th ZOYBIA
800,000th TUWMOP
900,000th PATXEQ

Top Authors This Year