Enter a species (e.g. Al, Fe): Zr Enter a hexagonal lattice type (e.g. hcp): hcp Enter a model name: Tersoff_LAMMPS_DawLawsonBauschlicher_2011pot2_ZrB__MO_728716510644_000 Enter hexagonal lattice constants 'a' and 'c' (m): 3.215349139254321e-10, 5.250643158248693e-10