[Pw_forum] Van der Waals interactions

[Saif Ullah]

As per my limited knowledge, only one option can be used. vdW-df is
non-local, so it does not need C6 etc.

On Fri, Oct 27, 2017 at 6:10 PM, Eleftheria Gkogkosi <elefthe at mail.ntua.gr>
wrote:

> Hello,
>
> Is it acceptable to set input_dft='vdw-DF' and then also use
> vdw_corr='DFT-D' in order to adjust london_c6(1) parameters?
>
> Or does one have to choose between a) non local functions (e.g. vdw-DF)
> and b) london correction to the, say, PBE functionals?
>
> --
> Eleftheria Gkogkosi
>
> Applied Mathematics & Physics Dept.
> National Technical University of Athens
> http://users.ntua.gr/elefthe
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