Enter a species  (e.g. Al, Fe): Cu
Enter a hexagonal lattice type (e.g. hcp): hcp
Enter a model name: Morse_Shifted_GirifalcoWeizer_1959LowCutoff_Cu__MO_673777079812_004
Enter hexagonal lattice constants 'a' and 'c' (m): 2.579154292648738e-10, 4.192818448599413e-10