Enter an atomic species: Ni Enter a cubic lattice type: fcc Enter a model name: EAM_Dynamo_ZhouFosterSills_2018_FeNiCr__MO_036303866285_000 Enter a lattice constant (m): 3.523954182863236e-10 WARNING, 1 imaginary frequencies at q = ( 0.00, 0.00, 0.00) ; (omega_q = 7.775e-09*i) WARNING, 1 imaginary frequencies at q = ( 0.00, 0.00, 0.00) ; (omega_q = 7.775e-09*i)