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Raman and infrared study of phyllosilicates containing heavy metals (Sb, Bi) : bismutoferrite and chapmanite.

Frost, Ray L., Palmer, Sara J., Bahfenne, Silmarilly, Cejka, Jiri, Sejkora, Jiri, & Plasil, Jakub (2010) Raman and infrared study of phyllosilicates containing heavy metals (Sb, Bi) : bismutoferrite and chapmanite. Journal of Raman Spectroscopy, 41(7), pp. 814-819.

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    The kaolinite-like phyllosilicate minerals bismutoferrite BiFe3+2Si2O8(OH) and chapmanite SbFe3+2Si2O8(OH) have been studied by Raman spectroscopy and complemented with infrared spectra. Tentatively interpreted spectra were related to their molecular structure. The antisymmetric and symmetric stretching vibrations of the Si-O-Si bridges,  SiOSi and  OSiO bending vibrations,  (Si-Oterminal)- stretching vibrations,  OH stretching vibrations of hydroxyl ions, and  OH bending vibrations were attributed to observed bands. Infrared bands 3289-3470 cm-1 and Raman bands 1590-1667 cm-1 were assigned to adsorbed water. O-H...O hydrogen bond lengths were calculated from the Raman and infrared spectra.

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    ID Code: 33140
    Item Type: Journal Article
    Additional URLs:
    Keywords: bismutoferrite, chapmanite, kaolinite, Raman spectroscopy, infrared spectroscopy, hydroxyl ions, adsorbed water, hydrogen bonds
    DOI: 10.1002/jrs.2512
    ISSN: 0377-0486
    Subjects: Australian and New Zealand Standard Research Classification > CHEMICAL SCIENCE (030000) > PHYSICAL CHEMISTRY (INCL. STRUCTURAL) (030600)
    Divisions: Past > Schools > Chemistry
    Past > QUT Faculties & Divisions > Faculty of Science and Technology
    Copyright Owner: Copyright 2010 Wiley-Blackwell
    Copyright Statement: The definitive version is available at www.wileyinterscience.com
    Deposited On: 15 Jul 2010 14:34
    Last Modified: 06 May 2014 09:45

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