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Raman spectroscopic study of the uranyl phosphate mineral dewindtite

Frost, Ray L., Cejka, Jiri, Weier, Matt L., & Ayoko, Godwin A. (2006) Raman spectroscopic study of the uranyl phosphate mineral dewindtite. Journal of Raman Spectroscopy, 37(12), pp. 1362-1367.

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Abstract

Raman spectra of two uranyl mineral dewindtite samples are presented and interpreted. Observed bands are attributed to the stretching and bending vibrations of (UO2)2+ and (PO4)3- units and water molecules. Hydrogen bonding network in dewindtite crystal structure is shortly mentioned. U-O bond lengths in uranyls are calculated with empirical relations and wavenumbers of the (UO2)2+ stretching vibrations. These calculations are in agreement with the X-ray single crystal structure data.

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311 since deposited on 11 Dec 2006
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ID Code: 5773
Item Type: Journal Article
Additional Information: This is one of a series of articles on the application of Raman spectroscopy to the study of uranyl secondary minerals. Such studies are of importance especially in the debate of the use of nuclear fuels for power generation.
Keywords: dewindtite, uranyl, phosphate, mineral, Raman spectroscopy, U, O bond length, molecular water, hydrogen bonding
DOI: 10.1002/jrs.1551
ISSN: 1097-4555
Subjects: Australian and New Zealand Standard Research Classification > CHEMICAL SCIENCE (030000)
Divisions: Past > QUT Faculties & Divisions > Faculty of Science and Technology
Past > Schools > School of Physical & Chemical Sciences
Copyright Owner: Copyright 2006 John Wiley & Sons
Copyright Statement: The definite version is available on publication at www3.interscience.wiley.com
Deposited On: 11 Dec 2006
Last Modified: 29 Feb 2012 23:23

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