Coordinate number

[Marcella Iannuzzi]

  Dear Nicolas,

just use the COLVAR&COORDINATION , and list the indexes of the atoms using 
the keywords
ATOMS_FROM and ATOMS_TO

Regards
Marcella

On Friday, September 7, 2018 at 5:26:58 AM UTC+2, Nicolás Marcelo Rozas 
Castro wrote:
>
> Dears CP2K users 
>
> I have a problem to define my colective variable. I want to define the 
> coordination number between an atom and many others in my simulation box, 
> but i want to use the summation of this as:
>
> where s, are all the atoms tha i need to consider. so my question is, how 
> can i achieve this?
>
>
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