Re: [sdpd] powder indexing.. - N-TREOR

[FUNDA "ÖZKÖK" <zfonda...@yahoo.com>]

Dear A. Le Bail,
Thank you very much for your help


--- Armel Le Bail <alb...@cristal.org> wrote:

> Hello,
> 
> About indexing in general, the advice could be to
> use first TREOR90 or N-TREOR, then DICVOL04,
> then CRYSFIRE, then McMaille, in that order. You
> may obtain solution and confirmation with the first
> two, before to try CRYSFIRE and McMaille (being
> respectively a bit difficult to use and too slow).
> 
> See sessions 2 and 3 of the SDPD Internet Course
> about indexing at :
> http://www.cristal.org/DU-SDPD/indexa.html
> 
> I just obtained the permission from P.-E. Werner
> to redistribute N-TREOR inside of the SDPD Internet
> Course stuff. You can find this special version
> developed for EXPO as a standalone program at:
> http://www.cristal.org/DU-SDPD/ftp/n-treor.zip
> 
> Best wishes,
> 
> A. Le Bail
> 
> PS - Indexing capablities are also included now into
> MAUD (freeware as well), moreover, several excellent
> commercial programs are on the market (inside of
> TOPAS,
> etc)
> 
> At 13:07 16/05/2006 -0700, you wrote:
> 
> >  Dear all,
> >
> >  Please, Could you help me about my problem? I
> >synthesis organic compounds (not large molecules)
> and
> >I determine of the structures with spectroscopic
> >methods especially X-ray diffraction but everytime
> I
> >can not find a single crystal. I use powder X-ray
> >diffractometer so for a long time I have researched
> >powder indexing programs and I have find some
> programs
> >but I do not know how are usefull for  me.  It is
> very
> >important for this topic. I want to determine
> lattice
> >parameters and  space group for unknown organic
> >compounds so Could you suggest me a method and some
> >programs? Thank you very much for your indeed.
> >
> >  Funda
> 
> 


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