N bcc Sim_LAMMPS_reaxFF_FthenakisPetsalakisTozzini_2022_CHON__SM_198543900691_000 2.99807049036026 Optimization terminated successfully. Current function value: -0.698331 Iterations: 65 Function evaluations: 167 C11 = 177.171405 +/- 0.007336 GPa C12 = 149.509877 +/- 0.005187 GPa C44 = -32.823948 +/- 0.001834 GPa B = 158.730386 +/- 0.004235 GPa