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Molecular Structure of the mineral woodhouseite CaAl3(PO4,SO4)2(OH)6

Frost, Ray L., Xi, Yunfei, & Palmer, Sara J. (2011) Molecular Structure of the mineral woodhouseite CaAl3(PO4,SO4)2(OH)6. Journal of Molecular Structure, 1001(1-3), pp. 56-61.

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Abstract

The mineral woodhouseite CaAl3(PO4,SO4)2(OH)6 is a hydroxy phosphate-sulphate mineral belonging to the beudantite subgroup of alunites, and has been characterised by Raman spectroscopy, complimented with infrared spectroscopy. Bands at various wavenumbers were assigned to the different vibrational modes of woodhouseite, which were then associated to the molecular structure of the mineral. Bands were primarily assigned to phosphate and sulphate stretching and bending modes. Two symmetric stretching modes for both phosphate and sulphate supported the concept of non-equivalent phosphate and sulphate units in the mineral structure. Bands in the OH stretching region enabled hydrogen bond distances to be calculated.

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ID Code: 43736
Item Type: Journal Article
Keywords: woodhouseite, svanbergite, crandallites, phosphate, sulphate, Raman spectroscopy
DOI: 10.1016/j.molstruc.2011.06.017
ISSN: 0022-2860
Subjects: 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 2011 Elsevier
Copyright Statement: This is the author’s version of a work that was accepted for publication in Journal of Molecular Structure. Changes resulting from the publishing process, such as peer review, editing, corrections, structural formatting, and other quality control mechanisms may not be reflected in this document. Changes may have been made to this work since it was submitted for publication. A definitive version was subsequently published in Journal of Molecular Structure, [VOL 1001, ISSUE 1-3 , (2011)] DOI: 10.1016/j.molstruct.2011.06.017
Deposited On: 02 Aug 2011 17:11
Last Modified: 09 May 2014 02:33

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