Enter a species (e.g. Al, Fe): W Enter a hexagonal lattice type (e.g. hcp): hcp Enter a model name: Morse_Shifted_GirifalcoWeizer_1959LowCutoff_W__MO_489351836217_004 Enter hexagonal lattice constants 'a' and 'c' (m): 2.823213209638919e-10, 4.610813547810442e-10