N fcc Tersoff_LAMMPS_NordAlbeErhart_2003_GaN__MO_612061685362_003 3.060424253344536 Optimization terminated successfully. Current function value: -4.901762 Iterations: 74 Function evaluations: 191 C11 = 621.313501 +/- 0.007336 GPa C12 = 806.102736 +/- 0.005187 GPa C44 = -87.559679 +/- 0.001834 GPa B = 744.506324 +/- 0.004235 GPa