Enter an atomic species: Ag Enter a cubic lattice type: fcc Enter a model name: EAM_Dynamo_PanBorovikovMendelev_2108_AgNi__MO_222110751402_000 Enter a lattice constant (m): 4.160539835691452e-10 WARNING, 2 imaginary frequencies at q = ( 0.00, 0.00, 0.00) ; (omega_q = 7.593e-09*i) WARNING, 2 imaginary frequencies at q = ( 0.00, 0.00, 0.00) ; (omega_q = 7.593e-09*i)