Has the structure been solved already?Crystallographic Structure Databases
 
 
(UK based academics and students already have free access via the EPSRC funded CDS (Chemical Database Service): 
- ICSD  (Minerals and Inorganics)
- http://www.fiz-karlsruhe.de/
 - Web accessible demonstration: 	
 - http://barns.ill.fr/dif/icsd/
 
 
- MDF/CRYSTMET 
- (Metals and Alloys)
 - http://www.tothcanada.com
 
 
- CCSD 
- (Organics and Organometallics)
 - http://www.ccdc.cam.ac.uk/
 
 
- American Mineralogist 
- http://www.geo.arizona.edu/xtal-cgi/test/
 
 
- WWW Mincryst
- http://database.iem.ac.ru/mincryst/
 - 2398 unique phases - most with crystal structure data
 -