Raman spectroscopic study of the multi-anion uranyl mineral schroeckingerite
Frost, Ray L., Cejka, Jiri, Ayoko, Godwin A., & Dickfos, Marilla J. (2007) Raman spectroscopic study of the multi-anion uranyl mineral schroeckingerite. Journal of Raman Spectroscopy, 38(12), pp. 1609-1614.
Raman spectroscopy complimented with infrared spectroscopy has been used to study the mineral schroeckingerite. The mineral is a multi-anion mineral and has (UO2)2+, (SO4)2-, and (CO3)2- units in its structure and bands attributed to these vibrating units are readily identified in the Raman spectra. Symmetric stretching modes at 815, 983 and 1092 cm-1 are assigned to (UO2)2+, (SO4)2-, and (CO3)2- units, respectively. The antisymmetric stretching modes of (UO2)2+, (SO4)2- are not observed in the Raman spectra but may be readily observed in the infrared spectrum at 898 and 1180 cm-1. The antisymmetric stretching mode of (CO3)2- is observed in the Raman spectrum at 1374 cm-1 as is also the ν4 (CO3)2- bending modes at 742 and 707 cm-1. No ν2 (CO3)2- bending modes are observed in the Raman spectrum of schroeckingerite. All the spectroscopic evidence points to a highly ordered structure of this mineral.
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|Item Type:||Journal Article|
|Keywords:||uranyl sulphate, uranyl carbonate, fluoride, infrared and Raman spectroscopy|
|Subjects:||Australian and New Zealand Standard Research Classification > CHEMICAL SCIENCE (030000) > PHYSICAL CHEMISTRY (INCL. STRUCTURAL) (030600) > Structural Chemistry and Spectroscopy (030606)
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 > QUT Faculties & Divisions > Faculty of Science and Technology
Past > Schools > School of Physical & Chemical Sciences
Current > Research Centres > Science Research Centre
|Copyright Owner:||Copyright 2007 John Wiley & Sons|
|Copyright Statement:||The definite version is available on publication at www3.interscience.wiley.com|
|Deposited On:||10 Dec 2007|
|Last Modified:||29 Feb 2012 13:36|
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