A Raman spectroscopic study of a hydrated molybdate mineral ferrimolybdite, Fe2(MoO4)3·7–8H2O

Sejkora, Jiří, Cejka, Jiri, Malíková, Radana, López, Andrés, Xi, Yunfei, & Frost, Ray L. (2014) A Raman spectroscopic study of a hydrated molybdate mineral ferrimolybdite, Fe2(MoO4)3·7–8H2O. Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy, 130, pp. 83-89.

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Abstract

Raman spectra of two well-defined ferrimolybdite samples, Fe23+(Mo6+O4)3·7–8H2O, from the Krupka deposit (northern Bohemia, Czech Republic) and Hůrky near Rakovník occurrence (central Bohemia, Czech Republic) were studied and tentatively interpreted. Observed bands were assigned to the stretching and bending vibrations of molybdate anions, Fe–O units and water molecules. Number of Raman and infrared bands assigned to (MoO4)2− units and water molecules proved that symmetrically (structurally) nonequivalent (MoO4)2− and H2O are present in the crystal structure of ferrimolybdite. Approximate O–H⋯O hydrogen bond lengths (2.80–2.73 Å) were inferred from the published infrared spectra.

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6 citations in Scopus
4 citations in Web of Science®
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ID Code: 83641
Item Type: Journal Article
Refereed: Yes
Keywords: Ferrimolybdite, Molybdate, Water molecules, Raman spectroscopy
DOI: 10.1016/j.saa.2014.03.112
ISSN: 1386-1425
Divisions: Current > Schools > School of Chemistry, Physics & Mechanical Engineering
Current > QUT Faculties and Divisions > Science & Engineering Faculty
Copyright Owner: Copyright 2014 Elsevier
Deposited On: 16 Apr 2015 06:02
Last Modified: 16 Apr 2015 06:02

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