[lammps-users] how to setup Nacl structure in boundary condition "s"


Dear users:
I want to setup Nacl structure in boundary conditions “s s s”. But based on the law of lammps, the number of ionic Na is different from that of ionic Cl . So the charge of the whole model is nonequilibrium. I think the model in this case is not suitable. Can anybody give me some suggestion? Thanks!

Chen
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could you please describe “the law of lammps”; please. why the number of ionic Na is different than from that of ionic Cl. what number are you refering to?