C bcc Sim_LAMMPS_ReaxFF_StrachanVanDuinChakraborty_2003_CHNO__SM_107643900657_001 2.4009046703577037 Optimization terminated successfully. Current function value: -2.814111 Iterations: 73 Function evaluations: 192 C11 = 688354.912804 +/- 0.007336 GPa C12 = 227802.952414 +/- 0.005187 GPa C44 = 67867.984402 +/- 0.001834 GPa B = 381320.272544 +/- 0.004235 GPa