Abstract: Vanadium oxide based catalysts are widely used in industry. Generally, the activity of heterogeneous catalysts is determined by the structure of active centers. For characterization of active vanadium species by 51V NMR spectroscopy the knowledge of correlation between parameters of NMR spectra and local structure of vanadium sites is necessary. It may be found successfully for individual vanadium compounds with known structure. Earlier, the correlation between the anisotropy of the chemical shielding tensor and the local environment of vanadium sites was demonstrated [1, 2], but for the detailed characterization of these sites the knowledge of other 51V NMR parameters is also necessary. Recently, SATRAS — the numeric analysis of spinning side bands intensities in MAS NMR spectra, was proposed by Skibsted et al.[3] This analysis allows the determination of magnitudes and relative orientation of 51V chemical shielding (CS) and quadrupling coupling (QC) tensors. In earlier reports all eight parameters of 51V NMR spectra were presented with high accuracy for some orthovanadates and alkali metal metavanadates [5], as well as for series of divalent metal metavanadates [6] and pyrovanadates [7].

Cite: Khabibulin D.F. , Shubin A.A. , Lapina O.B.
Correlation of 51V NMR Parameters with Local Environment of Vanadium Sites
In compilation Magnetic Resonance in Colloid and Interface Science. NATO Science Series II: Mathematics, Physics and Chemistry, v.76. – Springer., 2002. – C.537-544. – ISBN 9781402007873. DOI: 10.1007/978-94-010-0534-0_51ANCAN OpenAlex

Identifiers:

Chemical Abstracts:	2003:436091
Chemical Abstracts (print):	139:300575
OpenAlex:	W951761180

Citing:

DB	Citing
OpenAlex	2

Altmetrics: