Si sc Tersoff_LAMMPS_Tersoff_1988T3_Si__MO_186459956893_003 2.5443241447210307 Optimization terminated successfully. Current function value: -4.311584 Iterations: 70 Function evaluations: 182 C11 = 388.759035 +/- 0.007336 GPa C12 = 0.007993 +/- 0.005187 GPa C44 = 29.396157 +/- 0.001834 GPa B = 129.591674 +/- 0.004235 GPa