The reaction between MnCl2.4H(2)O, Hhmp (Hhmp = 2-hydroxymethylpyridine) and NEt4MnO4 in MeCN gives NEt4[Mn-7(OH)(3)Cl-3(hmp)(9)]Cl[MnCl4] 1; the 4 Mn-II, 3 Mn-III cation comprises a Mn-6 hexagon containing a central Mn ion, and it possesses a S greater than or equal to 10 ground state.