Enter an atomic species: Al Enter a cubic lattice type: fcc Enter a model name: Morse_Shifted_GirifalcoWeizer_1959MedCutoff_Al__MO_279544746097_004 Enter a lattice constant (m): 4.039798453450203e-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