A vibrational spectroscopic study of a hydrated hydroxy-phosphate mineral fluellite, Al2(PO4)F2(OH) 7H2O.
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2014
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Raman and infrared spectra of two well-defined fluellite samples, Al2(PO4)F2(OH)_7H2O, from the Krasno near Horni Slavkov (Czech Republic) and Kapunda, South Australia (Australia) were studied and tentatively interpreted. Observed bands were assigned to the stretching and bending vibrations of phosphate tetrahedra, aluminum oxide/hydroxide/fluoride octahedra, water molecules and hydroxyl ions. Approximate O–H___O hydrogen bond lengths were inferred from the Raman and infrared spectra.
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Fluellite, Phosphate, Hydroxyl ions, Raman spectroscopy, Infrared spectroscopy
Citação
FROST, R. L. et al. A vibrational spectroscopic study of a hydrated hydroxy-phosphate mineral fluellite, Al2(PO4)F2(OH) 7H2O. Spectrochimica Acta. Part A, Molecular and Biomolecular Spectroscopy, v. 126, p. 157-163, 2014. Disponível em: <http://www.sciencedirect.com/science/article/pii/S1386142514001462>. Acesso em: 07 out. 2014.