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Int. J. Mol. Sci. 2011, 12(10), 6397-6406; doi:10.3390/ijms12106397

Mössbauer Spectroscopy and X-ray Diffraction Study of 57Fe-Labeled Tetrachloroferrate(III)-Based Magnetic Ionic Liquids

1
The Racah Institute of Physics, The Hebrew University of Jerusalem, Jerusalem 91904, Israel
2
Faculty of Chemistry and Pharmacy, University of Innsbruck, Innsbruck 6020, Austria
3
Institute of Mineralogy and Petrography, University of Innsbruck, Innsbruck 6020, Austria
*
Author to whom correspondence should be addressed.
Received: 4 August 2011 / Revised: 3 September 2011 / Accepted: 15 September 2011 / Published: 26 September 2011
(This article belongs to the Special Issue Metal Containing Ionic Liquids)
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Abstract

Four 57Fe-labeled tetrachloroferrates(III) of organic cations (1-butyl-3-methyl-imidazolium, 1-allyl-3-methylimidazolium, 1-methyl-1-propylpyrrolidinium, tetraphenyl­phosphonium) were examined by temperature-dependent Mössbauer spectroscopy. The hyperfine and dynamic parameters of the iron(III) site were determined. Single crystal X-ray diffraction data of [Ph4P][FeCl4] were collected at four temperatures (295, 223, 173, and 123 K), and the dynamics of the iron atom inferred from the Mössbauer data and the single crystal Ui,j parameters have been compared.
Keywords: Mössbauer; ionic liquids; metals; magnetism; crystal structure Mössbauer; ionic liquids; metals; magnetism; crystal structure
This is an open access article distributed under the Creative Commons Attribution License (CC BY 3.0).

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MDPI and ACS Style

Herber, R.H.; Nowik, I.; Kostner, M.E.; Kahlenberg, V.; Kreutz, C.; Laus, G.; Schottenberger, H. Mössbauer Spectroscopy and X-ray Diffraction Study of 57Fe-Labeled Tetrachloroferrate(III)-Based Magnetic Ionic Liquids. Int. J. Mol. Sci. 2011, 12, 6397-6406.

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