Rn diamond LJ_ElliottAkerson_2015_Universal__MO_959249795837_003 6.67124576867 Optimization terminated successfully. Current function value: -0.534401 Iterations: 73 Function evaluations: 189 C11 = 1.924982 +/- 0.007336 GPa C12 = 2.577408 +/- 0.005187 GPa C44 = -0.738880 +/- 0.001834 GPa B = 2.359933 +/- 0.004235 GPa