simulate zinc oxide and graphene by comb3

Hello everyone,

I want to simulate a lattice containing zinc oxide and graphene(one layer). And i need to calculate the adhesive energy when they are separated. Now i am using the force field “COMB3”. Does anyone know how to define the values of coefficients or where i can find them? If anyone did it or similar things before, can you send me the input file or some hints? Thanks!

This doc page explains how: