Enter a species (e.g. Al, Fe): Cu Enter a hexagonal lattice type (e.g. hcp): hcp Enter a model name: MEAM_LAMMPS_KimLee_2008_CuZr__MO_407917731909_001 Enter hexagonal lattice constants 'a' and 'c' (m): 2.555898463795892e-10, 4.173764713775547e-10