Porous capsules {(M)M(5)}(12)Fe(III) (30) (M=Mo(VI), W(VI)): sphere surface supramolecular chemistry with 20 ammonium ions, related solution properties, and tuning of magnetic exchange interactions
Angew Chem Int Ed Engl. 2010;49(3):514-9.
doi: 10.1002/anie.200905460.