Si sc SW_HauchHollandMarder_1999Brittle_Si__MO_119167353542_004 2.77436790615 Optimization terminated successfully. Current function value: -2.942037 Iterations: 72 Function evaluations: 190 C11 = 437.475706 +/- 0.007336 GPa C12 = 96.451160 +/- 0.005187 GPa C44 = 35.230902 +/- 0.001834 GPa B = 210.126009 +/- 0.004235 GPa