K fcc LJ_ElliottAkerson_2015_Universal__MO_959249795837_003 5.583564698696142 Optimization terminated successfully. Current function value: -18.374704 Iterations: 69 Function evaluations: 182 C11 = 193.133330 +/- 0.007336 GPa C12 = 110.191065 +/- 0.005187 GPa C44 = 110.420090 +/- 0.001834 GPa B = 137.838487 +/- 0.004235 GPa