An EXAFS, X-ray diffraction, and electrochemical investigation of 1-alkyl-3-methylimidazolium salts of [{UO2(NO3)(2)}(2)(mu(4)-C2O4)](2-)

A.E. Bradley, Christopher Hardacre, Mark Nieuwenhuyzen, W.R. Pitner, D. Sanders, Kenneth Seddon, R.C. Thied

Research output: Contribution to journalArticle

Abstract

The structure of the 1-alkyl-3-methylimidazolium salts of the dinuclear mu(4)-(O,O,O',O'-ethane-1,2-dioato)-bis[bis(nitrato-O,O)dioxouranate(VI)] anion have been investigated using single crystal X-ray crystallography. In addition, EXAFS and electrochemical studies have been performed on the [C(4)mim](+) salt which is formed following the oxidative dissolution of uranium(IV) oxide in [C(4)mim][NO3]. EXAFS analysis of the solution following UO2 dissolution indicates a mixture of uranyl nitrate and mu(4)-(O,O,O',O'-ethane-1,2-dioato)-bis[bis(nitrato-O,O)dioxouranate(VI)] anions are formed.
Original languageEnglish
Pages (from-to)32-46
Number of pages15
JournalIONIC LIQUIDS IIIA: FUNDAMENTALS, PROGRESS, CHALLENGES, AND OPPORTUNITIES, PROPERTIES AND STRUCTURE
Volume901
Publication statusPublished - 2005

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