Fr bcc LJ_ElliottAkerson_2015_Universal__MO_959249795837_003 5.723565325140958 Optimization terminated successfully. Current function value: -5.969599 Iterations: 75 Function evaluations: 195 C11 = 36.184564 +/- 0.007336 GPa C12 = 44.179541 +/- 0.005187 GPa C44 = 44.228256 +/- 0.001834 GPa B = 41.514549 +/- 0.004235 GPa