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_002 Enter hexagonal lattice constants 'a' and 'c' (m): 2.54994197934866e-10, 4.164037815404518e-10