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Re: [sdpd] Fullprof

Well Daniel,
I know it does not work very well ... On the other hand, this is the only 
way how to do it when using FullProf.
Of course, you can forget about "Rietveld" and try energy minimization as 
we do.
lubo


On Mon, 16 Feb 2009, Daniel Toebbens wrote:

> Lubomir Smrcok schrieb:
>> Use a bunch of restraintes on the distances.
>>
> It is my experience that this does not work in praxis. For flat groups
> the changes in distance are a cos-function of the planar angles. Even
> with very strict distance restraints quite large planar angles will
> occur. Planar restrains are the feature I miss most in the current
> Fullprof. The soft-options of the rigid-body module should be able to do
> the trick. But it seems to be nigh impossible to transfer a structure
> into this format.
>>
>> On Fri, 13 Feb 2009, [iso-8859-1] José Miguel Galiana wrote:
>>
>>> Dear All,
>>> Is there any way to put a planar restraint in Fullprof?
>>>
>>> Thank you very much.
>>>
>
>
> -- 
> ***********************************************************************
> Daniel M. Többens                                Tel.: +43 512 507-5532
> Institut für Mineralogie und Petrographie        Fax : +43 512 507-2926
> Universität Innsbruck
> Innrain 52, Bruno-Sander-Haus
> A-6020 Innsbruck, Österreich
> ***********************************************************************
>
>
>
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