Si diamond SW_StillingerWeber_1985_Si__MO_405512056662_006 5.430949784815312 Optimization terminated successfully. Current function value: -34.691200 Iterations: 72 Function evaluations: 191 C11 = 151.417424 +/- 0.007336 GPa C12 = 76.418847 +/- 0.005187 GPa C44 = 56.446524 +/- 0.001834 GPa B = 101.418373 +/- 0.004235 GPa