Ac fcc LJ_ElliottAkerson_2015_Universal__MO_959249795837_003 5.913618618249901 Optimization terminated successfully. Current function value: -74.912518 Iterations: 69 Function evaluations: 178 C11 = 662.774357 +/- 0.007336 GPa C12 = 378.141943 +/- 0.005187 GPa C44 = 378.927895 +/- 0.001834 GPa B = 473.019414 +/- 0.004235 GPa