[Wien] Mixer - Error, No feasible Pratt step

Laurence Marks L-marks at northwestern.edu
Thu Nov 1 13:58:29 CET 2018


>
>
> I immediately tried and '*semicore band-ranges too large' **Error *
> disappeared but it showed '*Mixer - Error, No feasible Pratt step'* Error.
>
This occurs when you try and run MSR1a and the RMTs are overlapping.

You should check that the first line in your case.inm has "MSR1" not
"MSR1a" when you are performing a static convergence. If you want to
optimize the internal positions then you will probably need to reduce the
RMT particularly of the C as they are touching, for instance with "setrmt
-r 4"

-- 
Professor Laurence Marks
"Research is to see what everybody else has seen, and to think what nobody
else has thought", Albert Szent-Gyorgi
www.numis.northwestern.edu ; Corrosion in 4D: MURI4D.numis.northwestern.edu
Partner of the CFW 100% program for gender equity, www.cfw.org/100-percent
Co-Editor, Acta Cryst A
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