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

961,510

Unique Structures in CSD

946,204

Unique Author Names

375,711

Unique Publications

469,901

Top Journals This Year

CSD Communications

This Year
861
To Date
24,593

Number of Refcode Families

874,876

Number of Polymorph Families

10,406

Structures with Melting Points

167,208

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