Gd fcc LJ_ElliottAkerson_2015_Universal__MO_959249795837_003 5.391021573543555 Optimization terminated successfully. Current function value: -69.914588 Iterations: 76 Function evaluations: 196 C11 = 816.443180 +/- 0.007336 GPa C12 = 465.816770 +/- 0.005187 GPa C44 = 466.784949 +/- 0.001834 GPa B = 582.692240 +/- 0.004235 GPa