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Angew Chem Int Ed Engl. 2013 Jul 15;52(29):7464-7. doi: 10.1002/anie.201301973. Epub 2013 Jun 6.

Dynamics of a nanometer-sized uranyl cluster in solution.

Author information

1
Department of Chemistry, University of California, Davis, 1 Shields Ave, Davis, CA 95616, USA.

Abstract

A class of uranyl peroxide clusters was discovered before as nanometer-sized ions that form spontaneously in aqueous solutions. The uranyl(VI) cluster investigated here is approximately 2 nm in diameter, contains 24 uranyl moieties, and 12 pyrophosphate units. NMR spectroscopy shows that the ion has two distinct forms that interconvert in milliseconds to seconds depending on the temperature and the size of the counterions. P blue, O red, U yellow.

KEYWORDS:

NMR spectroscopy; actinides; environmental chemistry; geochemistry; kinetics

PMID:
23744734
DOI:
10.1002/anie.201301973

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