Question about charged or atomic lj parameters

Dear all
I am using lj/coul force field for a system of interacting charged particles. Could you please let me know, what kind of lj parameters should be inserted, charged or atomic lj parameters?

Many thanks in advance, Mohammad Reza Valizadeh
MS student
Amirkabir University of Technology, Tehran

You need to look up suitable force field parameters and settings for atomic charges in the published literature and/or with suitable force field packages. Those depend on the specifics of your system and need to be parameterized for the conditions and molecules/compounds you simulate.

But before doing that, you probably should first have a close look at the discussion of force fields and force field parameterization in your favorite text book(s) on molecular dynamics simulations.

Many thanks for your assistance in my project.