Issue 0, 1969
From the journal:

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


Complex halides of transition metals. Part IX. Preparation and electronic and vibrational spectra of the mixed hexahalogenoniobates(V) and hexahalogenotantalates(V)[Et4N]MX5Y (X = Cl or Br, Y = Cl, Br, or I) including a vibrational analysis of the MX5Y– anions

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

Abstract

The crystalline complexes [Et4N]MX5Y (M = Nb or Ta; X = Cl or Br; and Y = Cl, Br, or l) have been prepared and their electronic and vibrational spectra recorded. The i.r. and Raman spectra of the NbCl5Br–, TaCl5Br–, and TaBr5Cl– anions and i.r. spectra of NbBr5Cl– and NbBr5l– are assigned on the basis of an approximately C4v octahedral anion. Force-constant values for MX5Y– and MY5X– were transferred directly from the parent species MX6– and MY6–, and were used to calculate the vibrational frequencies of the mixed-halide complex anions. The salts [Et4N]Ml6(M = Nb or Ta) have also been prepared, their i.r. spectra measured, and ν3 and ν4 assigned for these octahedral anions.

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Article information

DOI
https://doi.org/10.1039/J19690000642
Article type
Paper

J. Chem. Soc. A, 1969, 642-646

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Complex halides of transition metals. Part IX. Preparation and electronic and vibrational spectra of the mixed hexahalogenoniobates(V) and hexahalogenotantalates(V)[Et4N]MX5Y (X = Cl or Br, Y = Cl, Br, or I) including a vibrational analysis of the MX5Y– anions

G. A. Ozin, G. W. A. Fowles, D. J. Tidmarsh and R. A. Walton, J. Chem. Soc. A, 1969, 642 DOI: 10.1039/J19690000642

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