Enter a species (e.g. Al, Fe): Fe Enter a hexagonal lattice type (e.g. hcp): hcp Enter a model name: MEAM_LAMMPS_EtesamiAsadi_2018_Fe__MO_549900287421_000 Enter hexagonal lattice constants 'a' and 'c' (m): 2.567929414443236e-10, 4.106432040764187e-10