Enter an atomic species: Pd Enter a cubic lattice type: fcc Enter a model name: EAM_Dynamo_FoilesBaskesDaw_1986Universal3_Pd__MO_786012902615_000 Enter a lattice constant (m): 3.89000002741814e-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, 1 imaginary frequencies at q = ( 0.00, 0.00, 0.00) ; (omega_q = 1.134e-08*i) WARNING, 1 imaginary frequencies at q = ( 0.00, 0.00, 0.00) ; (omega_q = 1.134e-08*i)