Enter a species  (e.g. Al, Fe): Ag
Enter a hexagonal lattice type (e.g. hcp): hcp
Enter a model name: Morse_Shifted_GirifalcoWeizer_1959MedCutoff_Ag__MO_861893969202_004
Enter hexagonal lattice constants 'a' and 'c' (m): 2.882814378551899e-10, 4.706711602682225e-10