Enter a species (e.g. Al, Fe): N Enter a hexagonal lattice type (e.g. hcp): hcp Enter a model name: Sim_LAMMPS_Polymorphic_ZhouJonesChu_2017_GaInN__SM_887684855692_000 Enter hexagonal lattice constants 'a' and 'c' (m): 3.176840658471669e-10, 5.187715892758035e-10