Raman and infrared spectroscopic studies of phurcalite from Red Canyon, Utah, USA – Implications for the molecular structure

Cejka, Jiri, Sejkora, Jiří, Scholz, Ricardo, López, Andrés, Xi, Yunfei, & Frost, Ray L. (2014) Raman and infrared spectroscopic studies of phurcalite from Red Canyon, Utah, USA – Implications for the molecular structure. Journal of Molecular Structure, 1068(1), pp. 14-19.

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Abstract

Raman and infrared spectra of the uranyl mineral phurcalite, Ca2(UO2)3O2(PO4)2⋅7H2O, from Red Canyon, Utah, USA, were studied and tentatively interpreted. Observed bands were assigned to the stretching and bending vibrations of (UO2)2+ and (PO4)3− units and to the stretching and bending vibrations and libration modes of water molecules. Approximate lengths of U–O in (UO2)2+ and O–H⋯O hydrogen bond lengths were inferred from observed stretching vibrations. The presence of structurally nonequivalent U6+ and P5+ was inferred from the number of corresponding stretching bands of (UO2)2+ and (PO4)3− units observed in the Raman and infrared spectra..

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ID Code: 83570
Item Type: Journal Article
Refereed: Yes
Additional URLs:
Keywords: Phurcalite, Mineral, Raman and infrared spectroscopy, U–O bond length, Hydrogen bond lengths
DOI: 10.1016/j.molstruc.2014.03.040
ISSN: 1872-8014 (online) 0022-2860 (print)
Divisions: Current > Schools > School of Chemistry, Physics & Mechanical Engineering
Current > QUT Faculties and Divisions > Science & Engineering Faculty
Copyright Owner: Copyright 2014 Elsevier B.V. All rights reserved.
Deposited On: 15 Apr 2015 04:17
Last Modified: 15 Apr 2015 04:17

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