I am writing in order to kindly ask about the LAMMPS PCFF bonded force-field combined with IFF non-bonded 9-6 Lennard-Jones potentials for metal interactions v000 potential.
I am trying to use the potential: Short KIM ID SM_039297821658_000 to simulate homogeneous atomic interactions, i.e., interactions between only a single type of atoms.
After finding out the atomic type I need by looking up the Pearson symbol, I am not being able to find the bond, angle and dihedral types corresponding to the bonds between oc8 and itself, or any other homogeneous interactions for this matter, in the parameters file for this potential ( https://openkim.org/files/SM_039297821658_000/IFF-supermodel.params ).
These are needed since as it was clarified to me in: Using PCFF via OpenKIM - #3 by serge
I need to specify the specific type of atoms, bonds …etc from the parameters file.
All I see are parameters for heterogeneous bonds, angles and dihedrals.
I know from the description, and from a few papers which use this potential that I checked, that the above potential is mainly used for interface simulations. I was wondering however if it had the capability of simulating mono-atomic systems and if so what modifications should be introduced to the parameters file.
Thanks in advance,