Enter an atomic species: Al Enter a cubic lattice type: fcc Enter a model name: EAM_Dynamo_CaiYe_1996_AlCu__MO_942551040047_005 Enter a lattice constant (m): 4.049763545393944e-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 WARNING, 2 imaginary frequencies at q = ( 0.00, 0.00, 0.00) ; (omega_q = 1.049e-08*i) WARNING, 2 imaginary frequencies at q = ( 0.00, 0.00, 0.00) ; (omega_q = 1.049e-08*i)