Si fcc Sim_LAMMPS_MEAM_CuiGaoCui_2012_LiSi__SM_562938628131_000 3.95451057702303 Optimization terminated successfully. Current function value: -16.277682 Iterations: 772 Function evaluations: 2237 C11 = 550.739279 +/- 0.007336 GPa C12 = -65.967016 +/- 0.005187 GPa C44 = 178.233860 +/- 0.001834 GPa B = 139.601749 +/- 0.004235 GPa