Enter a species  (e.g. Al, Fe): Ca
Enter a hexagonal lattice type (e.g. hcp): hcp
Enter a model name: Morse_Shifted_GirifalcoWeizer_1959LowCutoff_Ca__MO_887105884651_004
Enter hexagonal lattice constants 'a' and 'c' (m): 3.968507716889079e-10, 6.492668175553202e-10