O sc Sim_LAMMPS_ReaxFF_StrachanVanDuinChakraborty_2003_CHNO__SM_107643900657_001 3.699483975768089 Optimization terminated successfully. Current function value: -0.098569 Iterations: 83 Function evaluations: 222 C11 = 0.942211 +/- 0.007336 GPa C12 = -0.082819 +/- 0.005187 GPa C44 = -0.082819 +/- 0.001834 GPa B = 0.258857 +/- 0.004235 GPa