Rn bcc LJ_ElliottAkerson_2015_Universal__MO_959249795837_003 3.30206406862 Optimization terminated successfully. Current function value: -0.342265 Iterations: 69 Function evaluations: 181 C11 = 10.803975 +/- 0.007336 GPa C12 = 13.191112 +/- 0.005187 GPa C44 = 13.205658 +/- 0.001834 GPa B = 12.395400 +/- 0.004235 GPa