Np fcc LJ_ElliottAkerson_2015_Universal__MO_959249795837_003 5.22600227594 Optimization terminated successfully. Current function value: -97.141904 Iterations: 74 Function evaluations: 190 C11 = 1245.286353 +/- 0.007336 GPa C12 = 710.490676 +/- 0.005187 GPa C44 = 711.967394 +/- 0.001834 GPa B = 888.755902 +/- 0.004235 GPa