Enter an atomic species: Ni Enter a cubic lattice type: fcc Enter a model name: EAM_Dynamo_AdamsFoilesWolfer_1989Universal6_Ni__MO_258836200237_000 Enter a lattice constant (m): 3.519999861717225e-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, 3 imaginary frequencies at q = ( 0.00, 0.00, 0.00) ; (omega_q = 1.711e-08*i) WARNING, 3 imaginary frequencies at q = ( 0.00, 0.00, 0.00) ; (omega_q = 1.711e-08*i)