[lammps-users] improper and dihedral

Dear Friends

what is the defference between improper and dihedral?would you please help me?

Thanks alot

Regards

Saly

Depends on the model. In some cases they are nearly identical,
in others they aren't. See the doc pages for individual
styles and the codes/force-fields they reference like CHARMM, AMBER,
etc.

Steve