Displacement ellipsoid plot (50% probability level) of the cationic portion of [(F8)FeIII−O−CuII(MePY2)][B(C6F5)4] at 100(2) K. Counteranion and hydrogen atoms have been omitted for clarity. Selected bond lengths (Å) and angles (deg): Cu1−N5, 1.9997(17); Cu1−N6, 2.0557(17); Cu1−N7, 2.0150(17); Cu1−O1, 1.8452(13); Fe1−Np(average), 2.0940(8); Fe1−O1, 1.7563(14); Cu1−O1−Fe1, 142.48(8); N5−Cu1−N6, 91.97(7); N5−Cu1−N7, 148.46(7); N5−Cu1−O1, 93.44(7); N6−Cu1−N7, 96.94(7); N6−Cu1−O1, 148.15(7); N7−Cu1−O1, 94.67(7); Np−Fe1−O1(average), 105.32(7). See Table 1 and Supporting Information for further structural details.