Ga fcc Sim_LAMMPS_Polymorphic_BereSerra_2006_GaN__SM_518345582208_000 3.72905435413 Optimization terminated successfully. Current function value: -5.748031 Iterations: 75 Function evaluations: 195 C11 = 531.035084 +/- 0.007336 GPa C12 = 512.066221 +/- 0.005187 GPa C44 = 102.472838 +/- 0.001834 GPa B = 518.389176 +/- 0.004235 GPa