Powder Indexing - a non trivial endeavour
Very tricky to solve a structure if you don’t have cell and spacegroup
For Overall Summary of available powder indexing software refer to:
http://www.ccp14.ac.uk/solution/indexing/
Powder Indexing: Autox, Ito, Dicvol, Treor, Taup/Powder, Lzon, Losh, Kohl, Scanix, Xrayscan, EFLECH/Index, Supercell
Linking Suites: Crysfire, Powder v2.00, PowderX, PROSZKI, WinPlotr, Chekcell
supercel is a specialise indexing program by Juan Rodriguez-Carvajal for indexing Super Cell and Incommensurate cells. (available within Winplotr)
http://www-llb.cea.fr/winplotr/winplotr.htm
ftp://bali.saclay.cea.fr/pub/divers/fullprof.2k/