Dear Stephen, years ago I wrote a program suite to determine symmetry from observed intensities. It needs single crystal data and is not fully automatic, i.e. it doesn't give you a list of sp gr but it calculates a reliability index for symmetry elements and sp gr you want to check.
best miguel On 5 Nov 2008 at 15:56, [EMAIL PROTECTED] wrote: > Dear all, > > Recently, I have refined the structure using powder data. In each > asymmetric unit of Pmc21, there are two chemically similar but > crystallographically different complexes. The center of these two > complexes is rougly around 0,0,0.75. Therefore, the true space group > may not be Pmc21. I am glad to know if there is a software to detect > symmetry and suggest probable space group. > > Thank you very much. > > best regards > stephen > > -- Miguel Gregorkiewitz Dip Scienze della Terra, Università via Laterina 8, I-53100 Siena, Europe fon +39'0577'233810 fax 233938 email [EMAIL PROTECTED]
