Enter a species (e.g. Al, Fe): Fe Enter a hexagonal lattice type (e.g. hcp): hcp Enter a model name: MEAM_LAMMPS_KoJimLee_2012_FeP__MO_179420363944_002 Enter hexagonal lattice constants 'a' and 'c' (m): 2.552591702714565e-10, 4.168364795541849e-10