Pb bcc LJ_ElliottAkerson_2015_Universal__MO_959249795837_003 3.21399915218 Optimization terminated successfully. Current function value: -13.674982 Iterations: 70 Function evaluations: 180 C11 = 468.131166 +/- 0.007336 GPa C12 = 571.564716 +/- 0.005187 GPa C44 = 572.194951 +/- 0.001834 GPa B = 537.086866 +/- 0.004235 GPa