Si diamond MEAM_LAMMPS_CuiGaoCui_2012_LiSi__MO_557492625287_000 5.4223007559776315 Optimization terminated successfully. Current function value: -37.030082 Iterations: 82 Function evaluations: 216 C11 = 167.255986 +/- 0.007336 GPa C12 = 65.306206 +/- 0.005187 GPa C44 = 80.334503 +/- 0.001834 GPa B = 99.289466 +/- 0.004235 GPa