Cu diamond SNAP_LiHuChen_2018_Cu__MO_529419924683_000 5.407091498374939 Optimization terminated successfully. Current function value: -23.339485 Iterations: 69 Function evaluations: 182 C11 = 41.179850 +/- 0.007336 GPa C12 = 42.171492 +/- 0.005187 GPa C44 = -0.600387 +/- 0.001834 GPa B = 41.840945 +/- 0.004235 GPa