Si sc Tersoff_LAMMPS_Tersoff_1988T3_Si__MO_186459956893_002 2.54432414472 Optimization terminated successfully. Current function value: -4.311584 Iterations: 70 Function evaluations: 188 C11 = 388.759064 +/- 0.007336 GPa C12 = 0.007993 +/- 0.005187 GPa C44 = 29.396156 +/- 0.001834 GPa B = 129.591684 +/- 0.004235 GPa