using empirical VDW correction with CP2K

[Axel]

On Mar 9, 8:36 pm, lmliu <lml... at gmail.com> wrote:
> Dear Axel,
>
> I compare your CH4-CH4 parameter with the Chemical Physics 327 (2006) 54-62
> and there is greatly difference. Do this part use the other unit  or you
> take the parameter from other reference?

the parameters are from the input in the CPMD-test suite, not
from the chem phys paper. units are the same as in CPMD
(= atomic units).

>
> When I test water-water system, it shows the following errors. what does
> this mean?

what is the input you are using?

axel.

>
> *** 01:34:59 WARNING in force_env_methods:mixed_energy_forces err=-300   ***
>  *** ASSERTION (cond) failed at line   1151 Error (0.129985E-11) in
> ***
>  *** computing numerical derivatives larger then(0.100000E-11) .
> ***
>
> Thanks,
> Limin