N sc Sim_LAMMPS_Polymorphic_BereSerra_2006_GaN__SM_518345582208_000 1.68475692496 Optimization terminated successfully. Current function value: -2.029619 Iterations: 71 Function evaluations: 191 C11 = 1177.518160 +/- 0.007336 GPa C12 = 186.105501 +/- 0.005187 GPa C44 = 89.396504 +/- 0.001834 GPa B = 516.576387 +/- 0.004235 GPa