Enter an atomic species: Ag Enter a cubic lattice type: fcc Enter a model name: Morse_Shifted_GirifalcoWeizer_1959LowCutoff_Ag__MO_137719994600_003 Enter a lattice constant (m): 4.097743973135948e-10 Writing phonon.eq.pckl Writing phonon.0x-.pckl Writing phonon.0x+.pckl Writing phonon.0y-.pckl Writing phonon.0y+.pckl Writing phonon.0z-.pckl Writing phonon.0z+.pckl