Crystallography/ICSD
The Chemical Database Service
INORGANIC CRYSTAL STRUCTURE DATABASE (ICSD)
ICSD is the world's most extensive numeric database of inorganic crystal structure data. It cont READ MORE http://cds.dl.ac.uk/cds/datasets/crys/icsd/llicsd.html
The Cambridge Structural Database
12 Union Road, Cambridge, CB2 1EZ, UK, +44 1223 336408
The world repository of small molecule crystal structures
The Cambridge Structural Database (CSD) is READ MORE http://www.ccdc.cam.ac.uk/products/csd/