Si sc MFF_MistriotisFlytzanisFarantos_1989_Si__MO_080526771943_001 2.70563033223 Optimization terminated successfully. Current function value: -4.034775 Iterations: 73 Function evaluations: 196 C11 = 413.775890 +/- 0.007336 GPa C12 = 225.305546 +/- 0.005187 GPa C44 = -0.392208 +/- 0.001834 GPa B = 288.128994 +/- 0.004235 GPa