N diamond Sim_LAMMPS_Polymorphic_NordAlbeErhart_2003_GaN__SM_333071728528_000 4.04466639459 Optimization terminated successfully. Current function value: -16.186800 Iterations: 71 Function evaluations: 185 C11 = -1499678.570433 +/- 0.007336 GPa C12 = 152.852082 +/- 0.005187 GPa C44 = -562415.267024 +/- 0.001834 GPa B = -499790.955423 +/- 0.004235 GPa