Re: [gmx-users] Error No default Proper Dih. types

2020-04-26 Thread Paolo Costa
Dear Justin, thanks a lot. Paolo Il giorno dom 26 apr 2020 alle ore 22:33 Justin Lemkul ha scritto: > > > On 4/26/20 3:53 PM, Paolo Costa wrote: > > Dear Justin, > > > > thanks for your extra description. Very nice! > > Last doubt, which values of "phase" and "pn" should I use for [ > > dihedr

Re: [gmx-users] Error No default Proper Dih. types

2020-04-26 Thread Justin Lemkul
On 4/26/20 3:53 PM, Paolo Costa wrote: Dear Justin, thanks for your extra description. Very nice! Last doubt, which values of "phase" and "pn" should I use for [ dihedraltypes ]? If the force constant is zero, the remaining parameters are irrelevant. -Justin Thanks again. Paolo Il giorn

Re: [gmx-users] Error No default Proper Dih. types

2020-04-26 Thread Paolo Costa
Dear Justin, thanks for your extra description. Very nice! Last doubt, which values of "phase" and "pn" should I use for [ dihedraltypes ]? Thanks again. Paolo Il giorno dom 26 apr 2020 alle ore 20:33 Justin Lemkul ha scritto: > > > On 4/26/20 2:08 PM, Paolo Costa wrote: > > Dear Justin, > >

Re: [gmx-users] Error No default Proper Dih. types

2020-04-26 Thread Justin Lemkul
On 4/26/20 2:08 PM, Paolo Costa wrote: Dear Justin, thanks a lot for your quick reply and useful information. Thus, I will go through to all the dihedral terms and define zero the corresponding force constant as you suggested. In any case, I guess it will be too much work to calculate also th

Re: [gmx-users] Error No default Proper Dih. types

2020-04-26 Thread Paolo Costa
Dear Justin, thanks a lot for your quick reply and useful information. Thus, I will go through to all the dihedral terms and define zero the corresponding force constant as you suggested. In any case, I guess it will be too much work to calculate also the force constant for the torsion angle rota

Re: [gmx-users] Error No default Proper Dih. types

2020-04-26 Thread Justin Lemkul
On 4/26/20 1:57 PM, Paolo Costa wrote: Dear Gromacs users, within Amber99 force field I created a new molecule, polyoxometallate, by creating a new .rtp file and modifying the atomtypes.atp, ffnonbonded.itp and the ffbondend.itp. For the ffnonbonded.itp I took the LJ parameters from known work