Raman spectroscopic study of the uranyl phosphate mineral dewindtite
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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|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|
|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 00:00|
|Last Modified:||29 Feb 2012 13:23|
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