N diamond MEAM_LAMMPS_LeeLeeKim_2006_FeN__MO_432861766738_000 8.293745204806328 Optimization terminated successfully. Current function value: -0.037978 Iterations: 76 Function evaluations: 193 C11 = 59.482468 +/- 0.007336 GPa C12 = 407.441130 +/- 0.005187 GPa C44 = -513296.879635 +/- 0.001834 GPa B = 291.454909 +/- 0.004235 GPa