Issue 25, 2010
From the journal:

Dalton Transactions

Uranyl peroxide closed clusters containing topological squares†

Daniel K. Unruh,a   Alicia Burtner,a   Laura Pressprich,a   Ginger E. Sigmona  and  Peter C. Burns*ab  

* Corresponding authors

a Department of Civil Engineering and Geological Sciences, University of Notre Dame, Notre Dame, Indiana, USA
E-mail: pburns@nd.edu
Fax: +1 574-631-9236
Tel: +1 574-631-5380

b Department of Chemistry and Biochemistry, University of Notre Dame, Notre Dame, Indiana, USA

Abstract

Four self-assembling clusters of uranyl peroxide polyhedra have been formed in alkaline aqueous solutions and structurally characterized. These clusters consist of 28, 30, 36 and 44 uranyl polyhedra and exhibit complex new topologies. Each has a structure that contains topological squares, pentagons and hexagons. Analysis of possible topologies within boundary constraints indicates a tendency for adoption of higher symmetry topologies in these cases. Small angle X-ray scattering data demonstrated that crystals of one of these clusters can be dissolved in ultrapure water and that the clusters remain intact for at least several days.

Graphical abstract: Uranyl peroxide closed clusters containing topological squares

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Article information

DOI
https://doi.org/10.1039/C0DT00074D
Article type
Paper
Submitted
04 Mar 2010
Accepted
17 Apr 2010
First published
25 May 2010

Dalton Trans., 2010,39, 5807-5813

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Uranyl peroxide closed clusters containing topological squares

D. K. Unruh, A. Burtner, L. Pressprich, G. E. Sigmon and P. C. Burns, Dalton Trans., 2010, 39, 5807 DOI: 10.1039/C0DT00074D

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