Cu fcc Sim_LAMMPS_Polymorphic_Zhou_2004_CuTa__SM_453737875254_000 3.614959999918938 Optimization terminated successfully. Current function value: -14.159980 Iterations: 71 Function evaluations: 189 C11 = 169.630469 +/- 0.007336 GPa C12 = 122.139943 +/- 0.005187 GPa C44 = 75.745005 +/- 0.001834 GPa B = 137.970119 +/- 0.004235 GPa