Enter a species (e.g. Al, Fe): Cu Enter a hexagonal lattice type (e.g. hcp): hcp Enter a model name: MEAM_LAMMPS_WangOhLee_2020_CuMo__MO_380272712420_000 Enter hexagonal lattice constants 'a' and 'c' (m): 2.551683959293135e-10, 4.187599103159485e-10