Ga fcc Sim_LAMMPS_Polymorphic_BereSerra_2006_GaN__SM_518345582208_000 3.729053497314453 Optimization terminated successfully. Current function value: -5.748031 Iterations: 65 Function evaluations: 167 C11 = 531.035455 +/- 0.007336 GPa C12 = 512.066579 +/- 0.005187 GPa C44 = 102.472910 +/- 0.001834 GPa B = 518.389538 +/- 0.004235 GPa