Raman spectroscopic study of the hydrotalcite desautelsite Mg6Mn2CO3(OH)16.4H2O

Frost, Ray L. & Erickson, Kristy L. (2005) Raman spectroscopic study of the hydrotalcite desautelsite Mg6Mn2CO3(OH)16.4H2O. Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy, 61(11-12), pp. 2697-2701.

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Abstract

The structure of the hydrotalcite desautelsite Mg6Mn2CO3(OH)16.4H2O has been studied by a combination of Raman and infrared spectroscopy. Three intense Raman bands are observed at 1086, 1062 and 1055 cm-1. A model based upon the observation of three CO3 stretching vibrations is presented. The CO3 anion may be (a) non-hydrogen bonded (b) hydrogen bonded to the interlayer water and (c) hydrogen bonded to the brucite-like hydroxyl surface. Two intense bands at 3646 and 3608 cm-1 are attributed to MgOH and MnOH stretching vibrations. Infrared bands at 3476, 3333, 3165 and 2991 cm-1 are assigned to water stretching bands. Raman spectroscopy has proven a powerful tool for the study of hydrotalcite minerals

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ID Code: 1916
Item Type: Journal Article
Refereed: Yes
Additional Information: Hydrotalcites are of great interest because of their potential use as catalysts. Hydrotalcites may be also use for purifying water and industrial effluents.
Keywords: stitchtite, iowaite, desautelsite, takovite, hydrotalcite, Raman spectroscopy
DOI: 10.1016/j.saa.2004.10.012
ISSN: 1386-1425
Divisions: Past > QUT Faculties & Divisions > Faculty of Science and Technology
Copyright Owner: Copyright 2005 Elsevier
Copyright Statement: Reproduced in accordance with the copyright policy of the publisher.
Deposited On: 26 Jul 2005 00:00
Last Modified: 29 Feb 2012 13:12

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