Enter an atomic species: Al Enter a cubic lattice type: fcc Enter a model name: EAM_Dynamo_VailheFarkas_1997_CoAl__MO_284963179498_005 Enter a lattice constant (m): 4.049696564674378e-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 = 1.254e-08*i) WARNING, 2 imaginary frequencies at q = ( 0.00, 0.00, 0.00) ; (omega_q = 1.254e-08*i)