Issue 31, 2014
From the journal:

CrystEngComm

Effects of ionic liquid media on the cation selectivity of uranyl structural units in five new compounds produced using the ionothermal technique†

E. M. Wylie,a   P. A. Smith,a   K. M. Peruski,a   J. S. Smith,a   M. K. Dustina  and  P. C. Burns*ab  

* Corresponding authors

a Department of Civil and Environmental Engineering and Earth Sciences, University of Notre Dame, Notre Dame, IN 46556, USA

b Department of Chemistry and Biochemistry, University of Notre Dame, Notre Dame, IN 46556, USA
E-mail: pburns@nd.edu

Abstract

Ionothermal reactions of uranyl salts in several ionic liquids containing cyclic cations produced single crystals of five new uranyl compounds. (C4H7N2)[(UO2)(AsO4)] (1), (C8H15N2)2[(UO2)4(SeO3)5] (2), (C6H11N2)2[(UO2)3(C2H5PO4)4] (3), and (C5H5N)2[(UO2)2(SeO4)3] (4) are each comprised of two-dimensional structural units. (C4H7N2)[(UO2)5(PO4)3(HPO4)(H2O)2]·3H2O (5) is composed of a three-dimensional network. While the uranyl structural units in all five compounds are directly related to ones found in either uranyl minerals or compounds produced in aqueous media, each contain cyclic ionic liquid constituents as charge-balancing agents. These results suggest that the cation selectivity of these structural units is low, even under various solvation conditions and templating effects from cyclic cations donated from ionic liquid media.

Graphical abstract: Effects of ionic liquid media on the cation selectivity of uranyl structural units in five new compounds produced using the ionothermal technique

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Article information

DOI
https://doi.org/10.1039/C4CE00270A
Article type
Paper
Submitted
04 Feb 2014
Accepted
14 Mar 2014
First published
14 Mar 2014

CrystEngComm, 2014,16, 7236-7243

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Effects of ionic liquid media on the cation selectivity of uranyl structural units in five new compounds produced using the ionothermal technique

E. M. Wylie, P. A. Smith, K. M. Peruski, J. S. Smith, M. K. Dustin and P. C. Burns, CrystEngComm, 2014, 16, 7236 DOI: 10.1039/C4CE00270A

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