[Pw_forum] Hellmann Feynmann forces in QE

[Lorenzo Paulatto]

The Hellmann-Feynman (not sure on the number of n's) forces are printed  
after the pw.x calculation is tprnfor is set to true

On Thu, 16 Feb 2012 22:59:29 +0100, Elie M <elie.moujaes at hotmail.co.uk>  
wrote:

>
> Hello all,
> Just a quick question. Is there a way , when doing phonon calculations  
> in QE, to just extract the Hellmann Feynamnn forces exerted on the atoms  
> without going the whole way and compute the phonon frequencies?
> Thanks
> Elie MUniversity of NottinghamNG7 2RDUK 		 	   		


-- 
Lorenzo Paulatto IdR @ IMPMC/UPMC CNRS & Université Paris 6
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