Si bcc Tersoff_LAMMPS_Tersoff_1988T2_Si__MO_245095684871_002 3.12593887746 Optimization terminated successfully. Current function value: -7.973593 Iterations: 72 Function evaluations: 190 C11 = 496.957964 +/- 0.007336 GPa C12 = 95.561502 +/- 0.005187 GPa C44 = 76.845671 +/- 0.001834 GPa B = 229.360323 +/- 0.004235 GPa