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Australian Journal of Chemistry Australian Journal of Chemistry Society
An international journal for chemical science
RESEARCH ARTICLE

Speciation of Chlorometallate Ionic Liquids Based on Gallium(iii) and Indium(iii)

Christopher Hardacre A , Richard W. Murphy A , Kenneth R. Seddon A B , Geetha Srinivasan A and Małgorzata Swadźba-Kwaśny A
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A QUILL Research Centre, The Queen’s University of Belfast, Belfast BT9 5AG, UK.

B Corresponding author. Email: quill@qub.ac.uk

Australian Journal of Chemistry 63(5) 845-848 https://doi.org/10.1071/CH10014
Submitted: 9 January 2010  Accepted: 13 April 2010   Published: 21 May 2010

Abstract

A range of ionic liquids was prepared by mixing 1-alkyl-3-methylimidazolium chloride with gallium(iii) chloride or indium(iii) chloride in various ratios, producing both acidic and basic compositions. Their speciation was investigated using 71Ga NMR or 115In NMR spectroscopy, as well as extended X-ray absorption fine structure. Polynuclear Lewis acidic anions, [MxCl3x+1], were found in chlorogallate(iii) ionic liquids, but not in chloroindate(iii) systems.


References


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