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Raman spectroscopic study of the uranyl carbonate mineral čejkaite and its comparison with synthetic trigonal Na4[UO2(CO3)3]

Frost, Ray L., Bahfenne, Silmarilly, Palmer, Sara J., Cejka, Jiri, Sejkora, Jiri, & Plasil, Jakub (2010) Raman spectroscopic study of the uranyl carbonate mineral čejkaite and its comparison with synthetic trigonal Na4[UO2(CO3)3]. Journal of Raman Spectroscopy, 41(4), pp. 459-464.

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Abstract

Raman and infrared spectroscopies were used to characterise two samples of triclinic ejkaite Na4[UO2(CO3)3] and its synthetic trigonal analogue. The v3 (UO2)2+ mode is not Raman active, whereas both the v3 and v1 (UO2)2+ modes are infrared active. U--O bond lengths in uranyls were calculated from the spectra obtained and compared with bond lengths derived from crystal structure analyses. From the higher number of bands related to the uranyl and carbonate vibrations, the presence of symmetrically distinct (UO2)2+ and (CO3)2- units in both structures is proposed.

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ID Code: 31716
Item Type: Journal Article
Additional URLs:
Keywords: čejkaite, trigonal Na4[UO2(CO3)3], uranyl, carbonate, Raman, infrared, spectroscopy, U-O bond lengths in uranyl
DOI: 10.1002/jrs.2349
ISSN: 0377-0486
Subjects: Australian and New Zealand Standard Research Classification > CHEMICAL SCIENCE (030000) > PHYSICAL CHEMISTRY (INCL. STRUCTURAL) (030600)
Australian and New Zealand Standard Research Classification > CHEMICAL SCIENCE (030000) > PHYSICAL CHEMISTRY (INCL. STRUCTURAL) (030600) > Structural Chemistry and Spectroscopy (030606)
Divisions: Past > Schools > Chemistry
Past > QUT Faculties & Divisions > Faculty of Science and Technology
Copyright Owner: Copyright 2010 John Wiley & Sons
Copyright Statement: The definitive version is available at www3.interscience.wiley.com
Deposited On: 13 Apr 2010 08:09
Last Modified: 06 May 2014 09:45

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