A raman and infrared spectroscopic study of Ca2+ dominant members of the mixite group from the Czech Republic
Cejka, Jiri , Sejkora, Jiri , Plasil, Jakub , Keeffe, Eloise C., Bahfenne, Silmarilly, Palmer, Sara J., & Frost, Ray L. (2011) A raman and infrared spectroscopic study of Ca2+ dominant members of the mixite group from the Czech Republic. Journal of Raman Spectroscopy, 42(5), pp. 1154-1159.
Raman microscopy of two mixite minerals BiCu6(AsO4)3(OH)6.3H2O from Jáchymov and from Smrkovec (both Czech Republic) has been used to study their molecular structure, which is interpreted and the presence of (AsO4)3-, (AsO3OH)2-, (PO4)3- and (PO3OH)2- units, molecular water and hydroxyl ions were inferred. O-H…O hydrogen bond lengths were calculated from the Raman and infrared spectra using Libowitzky’s empirical relation. Small differences in the Raman spectra between both samples were observed and attributed to compositional and hydrogen bonding network differences.
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|Item Type:||Journal Article|
|Keywords:||mixite, arsenate, hydrogenarsenate, phosphate, hydrogenphosphate Raman, infrared, spectroscopy, molecular water, hydroxyl ions, hydrogen bonds, O-H…O hydrogen bond lengths|
|Subjects:||Australian and New Zealand Standard Research Classification > CHEMICAL SCIENCE (030000) > PHYSICAL CHEMISTRY (INCL. STRUCTURAL) (030600) > Structural Chemistry and Spectroscopy (030606)|
|Divisions:||Past > Schools > Chemistry|
Past > QUT Faculties & Divisions > Faculty of Science and Technology
|Copyright Owner:||Copyright 2010 John Wiley & Sons, Ltd.|
|Deposited On:||09 Jun 2011 11:59|
|Last Modified:||01 Mar 2012 07:16|
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