Enter a species  (e.g. Al, Fe): Pb
Enter a hexagonal lattice type (e.g. hcp): hcp
Enter a model name: Morse_Shifted_GirifalcoWeizer_1959MedCutoff_Pb__MO_958424213898_003
Enter hexagonal lattice constants 'a' and 'c' (m): 3.493065401761292e-10, 5.700818463816282e-10