Dear All,

I am trying to refine a phase that has a structure analogue with different 
chemical composition. The problem is that using the published atomic 
coordinates one cannot get a proper refinement (mismatch in the diffraction 
intensities). When I process the data and solve the structure by direct methods 
I get atomic coordinates that are suitable for a good a Rietveld refinement 
(the structure is the same). If somebody has explanation of this problem I will 
be very grateful to hear it.

Many thanks in advance.

Stanislav



      

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