Fr fcc LJ_ElliottAkerson_2015_Universal__MO_959249795837_003 7.151356059312819 Optimization terminated successfully. Current function value: -12.486624 Iterations: 72 Function evaluations: 186 C11 = 62.467090 +/- 0.007336 GPa C12 = 35.640224 +/- 0.005187 GPa C44 = 35.714300 +/- 0.001834 GPa B = 44.582513 +/- 0.004235 GPa