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.
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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|Item Type:||Journal Article|
|Keywords:||čejkaite, trigonal Na4[UO2(CO3)3], uranyl, carbonate, Raman, infrared, spectroscopy, U-O bond lengths in uranyl|
|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:||01 Mar 2012 00:15|
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