Cu diamond Sim_LAMMPS_BOP_ZhouWardFoster_2015_CCu__SM_784926969362_000 5.765979737043382 Optimization terminated successfully. Current function value: -30.595824 Iterations: 81 Function evaluations: 219 C11 = 130.412352 +/- 0.007336 GPa C12 = 138.361431 +/- 0.005187 GPa C44 = -1601.177067 +/- 0.001834 GPa B = 135.711738 +/- 0.004235 GPa