Issue 0, 1969
From the journal:

Journal of the Chemical Society A: Inorganic, Physical, Theoretical


2,2′-Bipyridyl complexes of the niobium(V) and tantalum(V) halides

G. W. A. Fowles,   D. J. Tidmarsh  and  R. A. Walton  

Abstract

Methyl cyanide solutions of the pentahalides NbCl5, TaCl5, and TaBr5 react with 2,2′-bipyridyl (bipy) at ca. 0° to yield compounds of general formula MX5 bipy (MeCN). These are believed to be seven-co-ordinate and to contain a molecule of ‘lattice’ methyl cyanide. Under similar reactions conditions niobium(V) bromide and tantalum(V) iodide react to give MX5bipy2; no pure product was isolated from the related reaction involving niobium(V) iodide. At room temperature direct reaction of niobium(V) and tantalum(V) iodide with methyl cyanide leads to the formation of 1 : 1 adducts Ml5,MeCN. Compounds were characterised by their electronic and vibrational (i.r. and Raman) spectra.

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Article information

DOI
https://doi.org/10.1039/J19690001546
Article type
Paper

J. Chem. Soc. A, 1969, 1546-1549

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2,2′-Bipyridyl complexes of the niobium(V) and tantalum(V) halides

G. W. A. Fowles, D. J. Tidmarsh and R. A. Walton, J. Chem. Soc. A, 1969, 1546 DOI: 10.1039/J19690001546

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