Na bcc Sim_LAMMPS_EIM_Zhou_2010_BrClCsFIKLiNaRb__SM_259779394709_000 4.373279646039009 Optimization terminated successfully. Current function value: -2.265607 Iterations: 88 Function evaluations: 239 C11 = 23.399717 +/- 0.007336 GPa C12 = 15.674768 +/- 0.005187 GPa C44 = 15.674667 +/- 0.001834 GPa B = 18.249751 +/- 0.004235 GPa