In bcc Sim_LAMMPS_Polymorphic_ZhouJonesChu_2017_GaInN__SM_887684855692_000 3.779581226408482 Optimization terminated successfully. Current function value: -4.929166 Iterations: 74 Function evaluations: 193 C11 = 26.273395 +/- 0.007336 GPa C12 = 22.770022 +/- 0.005187 GPa C44 = 22.770941 +/- 0.001834 GPa B = 23.937813 +/- 0.004235 GPa