Si sc SW_BalamaneHaliciogluTiller_1992_Si__MO_113686039439_005 2.612068809568882 Optimization terminated successfully. Current function value: -4.336876 Iterations: 71 Function evaluations: 187 C11 = 487.553825 +/- 0.007336 GPa C12 = 60.618724 +/- 0.005187 GPa C44 = 45.669880 +/- 0.001834 GPa B = 202.930424 +/- 0.004235 GPa