[CP2K-user] [CP2K:17080] Re: default Force Units

[Matt Watkins]

Yes, Ha/Bohr.
Atomic units are default _almost_ everywhere. Big exceptions that are 
likely to appear are coordinates in Angstroms and grid cutoff in Rydberg.
Matt
On Wednesday, 1 June 2022 at 21:01:31 UTC+1 volk... at gmail.com wrote:

> Dear members and developers:
> I wish to ask about the default units for FORCE when asked for using
>   &FORCES ON 
>     &EACH
>       MD 1
>     &END EACH
>    &END FORCES 
>
> Should I expect Hartree/bohr as in wiki
> https://en.wikipedia.org/wiki/Hartree_atomic_units
>
> Below I provide the available online description.
>
> Thank you
> Best wishes,
> Victor
> *************
> Force Possible units of measurement for forces. 
> The [force] entry acts like a dummy flag (assumes the unit of measurement 
> of force is in internal units), useful for dimensional analysis.
> *N* 
> *Newton* 
> *mN* 
> *mNewton* 
> *au_f* *force* 
>

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