Cu fcc Sim_LAMMPS_BOP_ZhouWardFoster_2015_CCu__SM_784926969362_000 3.607383415102959 Optimization terminated successfully. Current function value: -33.082889 Iterations: 79 Function evaluations: 211 C11 = 968.454345 +/- 0.007336 GPa C12 = 510.974685 +/- 0.005187 GPa C44 = 467.845443 +/- 0.001834 GPa B = 663.467905 +/- 0.004235 GPa