Si bcc MEAM_LAMMPS_Lee_2007_Si__MO_774917820956_001 3.138121336698532 Optimization terminated successfully. Current function value: -8.275647 Iterations: 74 Function evaluations: 194 C11 = 3555.167217 +/- 0.007336 GPa C12 = -1462.400341 +/- 0.005187 GPa C44 = 142.465053 +/- 0.001834 GPa B = 210.122178 +/- 0.004235 GPa