Enter a species (e.g. Al, Fe): Cu Enter a hexagonal lattice type (e.g. hcp): hcp Enter a model name: MEAM_LAMMPS_AgrawalMirzaeifar_2021_CuC__MO_028979335952_002 Enter hexagonal lattice constants 'a' and 'c' (m): 2.557704032678158e-10, 4.176713195413546e-10