Si sc SW_BalamaneHaliciogluTiller_1992_Si__MO_113686039439_004 2.61206880212 Optimization terminated successfully. Current function value: -4.336876 Iterations: 73 Function evaluations: 193 C11 = 487.553830 +/- 0.007336 GPa C12 = 60.618724 +/- 0.005187 GPa C44 = 45.669881 +/- 0.001834 GPa B = 202.930426 +/- 0.004235 GPa