[Wien] Force Convergence criterion during SCF

Rocquefelte Xavier.Rocquefelte at cnrs-imn.fr
Wed Jan 13 07:07:50 CET 2010


Dear Suddhasattwa,

It seems (but again we have very few information in your email) that you 
only have special positions, for which all the coordinates are 
constrained (not allowed to change).
In such situation there are, of course, no forces to calculate because 
of symetry reasons.

Regards

Xavier


Ghosh SUDDHASATTWA a écrit :
>
> Dear Wien2k users,
>
> I did SCF using both charge and energy convergence criterion and SCF 
> converged successfully.
>
> I again applied force convergence criterion of 1mRy/atom and it still 
> converged but with a comment in the beginning
>
> "Force convergence not possible, Forces not present.
>
> When I tried to analyse the SCF file, it did not give any value of FOR
>
>  
>
> Suddhasattwa
>
>  
>
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>
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