期刊
EUROPEAN JOURNAL OF INORGANIC CHEMISTRY
卷 -, 期 10-11, 页码 1748-1753出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/ejic.201201056
关键词
Polyoxometalates; Niobium; Vanadium; Hydrothermal synthesis; NMR spectroscopy
资金
- National Science Foundation (NSF) through the Center for Sustainable Materials Chemistry [CHE-1102637]
- Australian Research Council [DP110105530]
- Direct For Mathematical & Physical Scien
- Division Of Chemistry [1102637] Funding Source: National Science Foundation
- Division Of Materials Research
- Direct For Mathematical & Physical Scien [1105438] Funding Source: National Science Foundation
The vanadium-containing heteropolyoxoniobate (TMA)9[V3Nb12O42]center dot 18H2O was synthesised by hydrothermal reaction of V2O5 and hydrous niobium oxide in tetramethylammonium hydroxide solution. The cluster has an -Keggin structure with a central VO4 and two trans-bicapped VO5. The water-soluble product was characterised by X-ray crystallography, ESI-MS and both liquid- and solid-state 51V NMR spectroscopy. The solid- and solution-phase 51V NMR spectra indicate two major peaks corresponding to one VO4 and two VO5 sites.
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