Enter an atomic species: Cu Enter a cubic lattice type: fcc Enter a model name: EAM_Dynamo_FarkasCaro_2018_FeNiCrCoCu__MO_803527979660_000 Enter a lattice constant (m): 3.620000052452088e-10 WARNING, 2 imaginary frequencies at q = ( 0.00, 0.00, 0.00) ; (omega_q = 5.695e-09*i) WARNING, 2 imaginary frequencies at q = ( 0.00, 0.00, 0.00) ; (omega_q = 5.695e-09*i)