Ga fcc Sim_LAMMPS_Polymorphic_NordAlbeErhart_2003_GaN__SM_333071728528_000 3.9710893631 Optimization terminated successfully. Current function value: -10.686337 Iterations: 67 Function evaluations: 178 C11 = 1515.652599 +/- 0.007336 GPa C12 = 1643.060652 +/- 0.005187 GPa C44 = 73.046614 +/- 0.001834 GPa B = 1600.591301 +/- 0.004235 GPa