Ir diamond LJ_ElliottAkerson_2015_Universal__MO_959249795837_003 6.27095112205 Optimization terminated successfully. Current function value: -92.041465 Iterations: 73 Function evaluations: 186 C11 = -6646831.419006 +/- 0.007336 GPa C12 = 343.343744 +/- 0.005187 GPa C44 = -2492605.291293 +/- 0.001834 GPa B = -2215381.577172 +/- 0.004235 GPa