Fr fcc LJ_ElliottAkerson_2015_Universal__MO_959249795837_003 7.15135610104 Optimization terminated successfully. Current function value: -12.486624 Iterations: 69 Function evaluations: 180 C11 = 62.467105 +/- 0.007336 GPa C12 = 35.640233 +/- 0.005187 GPa C44 = 35.714308 +/- 0.001834 GPa B = 44.582524 +/- 0.004235 GPa