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Chem. Commun., 2008, 948 - 950, DOI: 10.1039/b718260k

Cation behavior at an artificial cell interface: binding distinguished by ion hydration energetics and size

Alice Merca, Hartmut Bögge, Marc Schmidtmann, Yunshan Zhou, Erhard T. K. Haupt, M. Khaled Sarker, Craig L. Hill and Achim Müller

The unique molybdenum oxide-based nucleophilic porous capsule/artificial cell [{(MoVI)MoVI5O21(H2O)6}12{MoV2O4(SO4)30}]72-, according to an X-ray crystallographic study, traps [Al(H2O)6]3+ complexes above the pores while interacting with the latter via hydrogen bonds; this is supported by 27Al NMR studies of the interaction of the capsule with hydrated Al3+ cations in aqueous solution.

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