Enter a species (e.g. Al, Fe): Zr Enter a hexagonal lattice type (e.g. hcp): hcp Enter a model name: MEAM_LAMMPS_MooreBeelerDeo_2015_UZr__MO_453094726678_000 Enter hexagonal lattice constants 'a' and 'c' (m): 3.136212331471603e-10, 5.137187127726897e-10