Cu bcc LJ_ElliottAkerson_2015_Universal__MO_959249795837_003 2.905808970332146 Optimization terminated successfully. Current function value: -32.550252 Iterations: 71 Function evaluations: 187 C11 = 1507.756732 +/- 0.007336 GPa C12 = 1840.895486 +/- 0.005187 GPa C44 = 1842.925347 +/- 0.001834 GPa B = 1729.849235 +/- 0.004235 GPa