I fcc LJ_ElliottAkerson_2015_Universal__MO_959249795837_003 3.8232300952076907 Optimization terminated successfully. Current function value: -51.260783 Iterations: 69 Function evaluations: 182 C11 = 1678.283901 +/- 0.007336 GPa C12 = 957.534836 +/- 0.005187 GPa C44 = 959.525026 +/- 0.001834 GPa B = 1197.784524 +/- 0.004235 GPa