Si diamond MEAM_LAMMPS_DuLenoskyHennig_2011_Si__MO_883726743759_001 5.431141197681427 Optimization terminated successfully. Current function value: -37.045059 Iterations: 73 Function evaluations: 191 C11 = 139.366161 +/- 0.007336 GPa C12 = 75.686519 +/- 0.005187 GPa C44 = 58.689666 +/- 0.001834 GPa B = 96.913067 +/- 0.004235 GPa