Si diamond Sim_LAMMPS_MEAM_DuLenoskyHennig_2011_Si__SM_662785656123_000 5.431141227483749 Optimization terminated successfully. Current function value: -37.045059 Iterations: 71 Function evaluations: 182 C11 = 139.366179 +/- 0.007336 GPa C12 = 75.686523 +/- 0.005187 GPa C44 = 58.751964 +/- 0.001834 GPa B = 96.913075 +/- 0.004235 GPa