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Raman spectroscopic study of the tellurite mineral: poughite Fe23+SO4(TeO3)2·3H2O - a multi-anion mineral

Frost, Ray L. & Keeffe, Eloise C. (2008) Raman spectroscopic study of the tellurite mineral: poughite Fe23+SO4(TeO3)2·3H2O - a multi-anion mineral. Journal of Raman Spectroscopy, 39(12), pp. 1794-1798.

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Abstract

Raman spectroscopy has been used to study the dimorphous selenite minerals chalcomenite, cobaltomenite and clinochalcomenite. Selenite minerals are characterised by the position of the symmetric stretching mode which is observed at higher wavenumbers than the antisymmetric stretching mode. The selenite ion has C3v symmetry and four modes, 2A1 and 2E. These modes are observed at 813, 472 cm-1 (A1) and 685, 710, 727 and 367 and 396 cm-1 (E). Bands assigned to the water stretching vibrations are observed for chalcomenite at 2953, 3184 and 3506 cm-1 and for clinochalcomenite at 2909, 3193 and 3507 cm-1. A comparison of the Raman spectra of chalcomenite, clinochalcomenite and cobaltomenite is made. The position of these bands enabled hydrogen bond distances in the selenite structure to be estimated. Hydrogen bond distances for chalcomenite and clinochalmenite were determined to be similar.

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ID Code: 16811
Item Type: Journal Article
Additional Information: Self-archiving of the author-version in institutional repositories is not currently supported by this publisher. For more information, please refer to the journal's website (see hypertext link) or contact the author.
Keywords: selenite, Raman spectroscopy,, chalcomenite, clinochalcomenite, cobaltomenite marthozite, mandarinoite
DOI: 10.1002/jrs.2034
ISSN: 0377-0486
Subjects: Australian and New Zealand Standard Research Classification > CHEMICAL SCIENCE (030000) > PHYSICAL CHEMISTRY (INCL. STRUCTURAL) (030600) > Colloid and Surface Chemistry (030603)
Australian and New Zealand Standard Research Classification > CHEMICAL SCIENCE (030000) > PHYSICAL CHEMISTRY (INCL. STRUCTURAL) (030600) > Physical Chemistry not elsewhere classified (030699)
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
Current > Research Centres > Science Research Centre
Copyright Owner: Copyright 2008 John Wiley & Sons
Deposited On: 09 Dec 2008 15:12
Last Modified: 29 Feb 2012 23:49

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