No diamond LJ_ElliottAkerson_2015_Universal__MO_959249795837_003 7.827575095 Optimization terminated successfully. Current function value: -2.917173 Iterations: 73 Function evaluations: 189 C11 = 6.505195 +/- 0.007336 GPa C12 = 8.709973 +/- 0.005187 GPa C44 = -14240.714129 +/- 0.001834 GPa B = 7.975047 +/- 0.004235 GPa