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.
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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|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|
|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:||29 Feb 2012 13:24|
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