Thermo-Raman spectroscopic study of the natural layered double hydroxide manasseite
Frost, Ray L. & Reddy, B. Jagannadha (2006) Thermo-Raman spectroscopic study of the natural layered double hydroxide manasseite. Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy, 65(3-4), pp. 553-559.
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DOI: 10.1016/j.saa.2005.12.007
Abstract
Raman and thermo-Raman spectroscopy have been applied to study the natural hydrotalcite manasseite Mg6Al2(OH)16(CO3).4H2O. Hydrogen bond distances calculated using a Libowitzky-type empirical function varied between 2.61 and 3.00 Å. Stronger hydrogen bonds were formed by water units as compared to the hydroxyl units. Thermo-Raman spectroscopy enabled the identification of bands attributed to the hydroxyl units. Two Raman bands at 1062 and 1058 cm-1 are assigned to symmetric stretching modes of the carbonate anion. Thermal treatment shifts these bands to higher wavenumbers indicating a change in the carbonate bonding.
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| ID Code: | 5251 |
|---|---|
| Item Type: | Journal Article |
| Additional Information: | This paper is one of a series of papers on the characterisation of hydrotalcites |
| Keywords: | Manasseite, Sjogrenite, Stitchtite, Iowaite, Desautelsite, Takovite, Hydrotalcite, Raman spectroscopy |
| ISSN: | 1386-1425 |
| Subjects: | Australian and New Zealand Standard Research Classification > CHEMICAL SCIENCE (030000) |
| Divisions: | Past > QUT Faculties & Divisions > Faculty of Science and Technology |
| Copyright Owner: | Copyright 2006 Elsevier |
| Copyright Statement: | Reproduced in accordance with the copyright policy of the publisher. |
| Deposited On: | 17 Oct 2006 |
| Last Modified: | 02 Feb 2012 20:12 |
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