Kr diamond LJ_ElliottAkerson_2015_Universal__MO_959249795837_003 5.15910178423 Optimization terminated successfully. Current function value: -0.430709 Iterations: 69 Function evaluations: 181 C11 = 3.354605 +/- 0.007336 GPa C12 = 4.491568 +/- 0.005187 GPa C44 = -1.287649 +/- 0.001834 GPa B = 4.112580 +/- 0.004235 GPa