Tb bcc LJ_ElliottAkerson_2015_Universal__MO_959249795837_003 4.270667061209679 Optimization terminated successfully. Current function value: -22.287652 Iterations: 69 Function evaluations: 182 C11 = 325.203746 +/- 0.007336 GPa C12 = 397.057489 +/- 0.005187 GPa C44 = 397.495302 +/- 0.001834 GPa B = 373.106241 +/- 0.004235 GPa