[gmx-users] Re: how to turn off the interamolecular interaction

[Mark Abraham]

xianghong qi wrote:
> Hi, Mark:
>  
> for these two cases
> energygrp_excl           = Methane1 Methane2
> and 
>  
> energygrp_excl           = methane1 methane2
>  
> I got same error: methane1(or Methane1 ) is not energy group.

OK, so now that it's a group, you need it to be an energy group - see 
energygrps.

Mark