Si diamond SW_ZhangXieHu_2014OptimizedSW1_Si__MO_800412945727_005 5.177553474903107 Optimization terminated successfully. Current function value: -27.435814 Iterations: 1064 Function evaluations: 3166 C11 = 141.340256 +/- 0.007336 GPa C12 = 80.710453 +/- 0.005187 GPa C44 = 47.852680 +/- 0.001834 GPa B = 100.920387 +/- 0.004235 GPa