Re: [gmx-users] Modifying Lennard-Jones cross term

2012-07-04 Thread Mark Abraham
On 4/07/2012 6:45 PM, Hyungjun Kim wrote: >Dear GMX users, > >This is Hyungjun Kim. > >I try to modify the len=ard jones parameter explicitly. > >I knew that gromacs provide the com=ination rule such as >sigma_12=(sigma_1 + sigma_2 ) /2 like. > >I fin= that some specific int

Re: [gmx-users] Modifying Lennard-Jones cross term

2012-07-04 Thread lloyd riggs
Well, Ill give that a shot from memory of a discussion some time ago, which you could probably track down on the e-mails of past search engine. I think it has to do with force field types, either they list the sigma values, or direct 6, 12 or derived LJ parameters, so it would be related to w