Enter a species  (e.g. Al, Fe): Nb
Enter a hexagonal lattice type (e.g. hcp): hcp
Enter a model name: SNAP_LiChenZheng_2019_NbTaWMo__MO_560387080449_000
Enter hexagonal lattice constants 'a' and 'c' (m): 2.949387237542629e-10, 4.928194103937751e-10