Enter a species (e.g. Al, Fe): Ni Enter a hexagonal lattice type (e.g. hcp): hcp Enter a model name: SNAP_ZuoChenLi_2019_Ni__MO_365106510449_000 Enter hexagonal lattice constants 'a' and 'c' (m): 2.49191216923086e-10, 4.111798157882473e-10