N fcc Sim_LAMMPS_ReaxFF_StrachanVanDuinChakraborty_2003_CHNO__SM_107643900657_001 3.091682955622673 Optimization terminated successfully. Current function value: 4.295114 Iterations: 69 Function evaluations: 185 C11 = 11371.601637 +/- 0.007336 GPa C12 = 11324.834676 +/- 0.005187 GPa C44 = 25.994995 +/- 0.001834 GPa B = 11340.423663 +/- 0.004235 GPa