Treatment of (NBun4)[Mn4O2(O2CPh)9(H2O)] with Na2(Et2mal) in MeCN leads to a nuclearity and oxidation level change to give (NBun4)2[Mn8O4(O2CPh)12(Et2mal)2(H2O)2]1; the crystal structure and magnetochemical studies show the core of the anion to have a unique topology consisti...