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Syntheses of new oxovanadium(IV) complexes with some new Schiff bases derived from salicylaldehyde or substituted salicylaldehyde and 3-aminothiophenol

Summary

The syntheses of several new oxovanadium(IV) complexes of new Schiff bases derived from Salicylaldehyde, 5-ch orosalicylaldehyde, 5-bromosalicylaldehyde, 5-nitrosalicylaldehyde, 4-methoxysalicylaldehyde, 2-hydroxy-l-naphthaldehyde and 3-aminothiophenol are described. The complexes, which are of the VOL2 type, have been characterized on the basis of elemental analysis, i.r. and electronic absorption spectra, and magnetic susceptibility measurements. The Schiff bases behave as bidentate ligands and a five-coordinate square-pyramidal structure is suggested for the complexes which exhibit two or three spin-allowed d-d bands atca. 12000, 17000 and 22000 cm−1. The v(V=0) vibration occurs in the 940–980 cm−1. range. The complexes exhibit normal magnetic moments (µeff = 1.71-1.73 B.M.) at room temperature.

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Syamal, A. Syntheses of new oxovanadium(IV) complexes with some new Schiff bases derived from salicylaldehyde or substituted salicylaldehyde and 3-aminothiophenol. Transition Met Chem 3, 297–299 (1978). https://doi.org/10.1007/BF01393573

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Keywords

  • Physical Chemistry
  • Inorganic Chemistry
  • Catalysis
  • Absorption Spectrum
  • Magnetic Susceptibility