Synthesis, spectroscopic and structural studies on vanadium(V) periodates
Synthesis, spectroscopic and structural studies on vanadium(V) periodates
Reactions of V2O5 or NH4VO3 with periodic acid under basic conditions followed by acidification result in precipitates of general formula M5V4I2O19(OH)·nH2O (M = Na, n = 10; M = K, n = 5; M = Rb, n = 4; M = Cs, n = 3; M = NH4, n = 11). These are amorphous, and attempts at crystallisation failed, but spectroscopic measurements and analysis show similar features and compositions throughout this series of compounds. V and I K-edge extended X-ray absorption fine structure (EXAFS) spectra show a polymeric structure containing edge-linked octahedral periodate and square-pyramidal vanadyl groups.
vanadium, periodate, exafs, spectroscopy
2132-2137
Hector, Andrew L.
f19a8f31-b37f-4474-b32a-b7cf05b9f0e5
Levason, William
e7f6d7c7-643c-49f5-8b57-0ebbe1bb52cd
May 2011
Hector, Andrew L.
f19a8f31-b37f-4474-b32a-b7cf05b9f0e5
Levason, William
e7f6d7c7-643c-49f5-8b57-0ebbe1bb52cd
Hector, Andrew L. and Levason, William
(2011)
Synthesis, spectroscopic and structural studies on vanadium(V) periodates.
European Journal of Inorganic Chemistry, 2011 (13), .
(doi:10.1002/ejic.201001242).
Abstract
Reactions of V2O5 or NH4VO3 with periodic acid under basic conditions followed by acidification result in precipitates of general formula M5V4I2O19(OH)·nH2O (M = Na, n = 10; M = K, n = 5; M = Rb, n = 4; M = Cs, n = 3; M = NH4, n = 11). These are amorphous, and attempts at crystallisation failed, but spectroscopic measurements and analysis show similar features and compositions throughout this series of compounds. V and I K-edge extended X-ray absorption fine structure (EXAFS) spectra show a polymeric structure containing edge-linked octahedral periodate and square-pyramidal vanadyl groups.
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Published date: May 2011
Keywords:
vanadium, periodate, exafs, spectroscopy
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Local EPrints ID: 183275
URI: http://eprints.soton.ac.uk/id/eprint/183275
ISSN: 1434-1948
PURE UUID: a154c406-d518-4940-adcf-e32391186ef3
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Date deposited: 03 May 2011 10:29
Last modified: 15 Mar 2024 02:52
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