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Crystallography Open Database (COD)
A project accomodating crystal structure atomic coordinates prior to their publication. It is intended to give faster access to the latest structure determinations, openly.
http://www.crystallography.net
Metals Structure Database (CRYSTMET)
A database of critically evaluated crystallographic data for metals, including alloys, intermetallics and minerals. Contains chemical, crystallographic and bibliographic data together with associated comments regarding experimental details for each study.
http://www.tothcanada.com/
Powder Diffraction File (PDF)
maintained by the International Centre for Diffraction Data (ICDD)
http://www.icdd.com
