Pb bcc LJ_ElliottAkerson_2015_Universal__MO_959249795837_003 3.2139991521835327 Optimization terminated successfully. Current function value: -13.674982 Iterations: 71 Function evaluations: 182 C11 = 468.131187 +/- 0.007336 GPa C12 = 571.564736 +/- 0.005187 GPa C44 = 572.194969 +/- 0.001834 GPa B = 537.086886 +/- 0.004235 GPa