Inorganic Crystal Structure Database
Inorganic Crystal Structure Database (ICSD) is a chemical database founded in 1978 by Günter Bergerhoff at the University of Bonn in Germany and I. D. Brown at McMaster University in Canada. It is now produced by FIZ Karlsruhe in Europe and the U.S. National Institute of Standards and Technology.
Source: Wikipedia — Inorganic Crystal Structure Database (CC BY-SA 4.0)