Fe fcc LJ_ElliottAkerson_2015_Universal__MO_959249795837_003 3.630687035620213 Optimization terminated successfully. Current function value: -39.440756 Iterations: 78 Function evaluations: 203 C11 = 1507.822519 +/- 0.007336 GPa C12 = 860.279115 +/- 0.005187 GPa C44 = 862.067156 +/- 0.001834 GPa B = 1076.126916 +/- 0.004235 GPa