Enter a species (e.g. Al, Fe): Fe Enter a hexagonal lattice type (e.g. hcp): hcp Enter a model name: MEAM_LAMMPS_KimLee_2006_PtFe__MO_343168101490_001 Enter hexagonal lattice constants 'a' and 'c' (m): 2.562914317454752e-10, 4.13520410406611e-10