Angewandte Chemie International Edition

Cover image for Vol. 55 Issue 31

Editor: Peter Gölitz, Deputy Editors: Neville Compton, Haymo Ross

Online ISSN: 1521-3773

Associated Title(s): Angewandte Chemie, Chemistry - A European Journal, Chemistry – An Asian Journal, ChemistryOpen, ChemPlusChem, Zeitschrift für Chemie

48_33b/2009Inside Cover: Direct Observation of Contact Ion-Pair Formation in Aqueous Solution (Angew. Chem. Int. Ed. 33/2009)

Contact between anions and cations in aqueous solution is rarely observed, especially by direct spectroscopic methods. The Cs8[Nb6O19] polyoxometalate salt with its high negative charge, spherical symmetry, excellent X-ray scattering power, and very good aqueous solubility provides the ideal scenario. In their Communication on page 6136 ff., M. R. Antonio, M. Nyman, and T. M. Anderson present a small-angle X-ray scattering study that reveals how contact ion pairing in solution matches the solid-state structure.

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