Enter a species (e.g. Al, Fe): Cu Enter a hexagonal lattice type (e.g. hcp): hcp Enter a model name: EAM_Mendelev_2019_CuZr__MO_945018740343_000 Enter hexagonal lattice constants 'a' and 'c' (m): 2.570056575712693e-10, 4.212248220342918e-10