V diamond Sim_LAMMPS_ReaxFF_ChenowethVanDuinPersson_2008_CHOV__SM_429148913211_001 6.248837947845459 Optimization terminated successfully. Current function value: -16.991502 Iterations: 69 Function evaluations: 179 C11 = 42.304325 +/- 0.007336 GPa C12 = 43.415393 +/- 0.005187 GPa C44 = -1.245124 +/- 0.001834 GPa B = 43.045037 +/- 0.004235 GPa