K fcc Sim_LAMMPS_EIM_Zhou_2010_BrClCsFIKLiNaRb__SM_259779394709_000 6.46289864182 Optimization terminated successfully. Current function value: -3.688754 Iterations: 72 Function evaluations: 189 C11 = 12.535636 +/- 0.007336 GPa C12 = 10.044161 +/- 0.005187 GPa C44 = 10.044503 +/- 0.001834 GPa B = 10.874653 +/- 0.004235 GPa