Mechanochemical reaction of polymeric oxovanadium(IV) complexes with Schiff base ligands derived from 5-nitrosalicylaldehyde and diamines

Masanobu Tsuchimoto, Gakuse Hoshina, Naoki Yoshioka, Hidenari Inoue, Kiyohiko Nakajima, Mayumi Kamishima, Masaaki Kojima, Shigeru Ohba

Research output: Contribution to journalArticle

43 Citations (Scopus)

Abstract

Light brown [VO(5-NO2salen)]·2H2O (1; H2(5-NO2 salen)=N, N'-di-5-nitrosalicylidene-1,2-ethanediamine) and orange [VO(5-NO2sal-meso-stien)]·0.5H2O (2; H2(5-NO2salmeso-stien) = N,N'-di-5-nitrosalicylidene-(R,S)(S,R)-1,2-diphenyl-1,2-ethanediamine) which have linear chain structures in the solid state turn dark brown and yellow-brown, respectively, when ground thoroughly in mortars. The IR spectra of 1 and 2 in Nujol mulls show strong V=O stretching bands at 875 and 905 cm-1, respectively. On the other hand, the spectra of the finely ground complexes in Nujol mulls show very weak V=O stretching bands. X-ray powder diffraction patterns of the ground complexes scarcely show diffraction peaks. The spectroscopic and magnetic data suggest that the linear chain structures in the crystals of 1 and 2 are destroyed on grinding to yield the fragments of the polymeric chains. (C) 2000 Academic Press.

Original languageEnglish
Pages (from-to)9-15
Number of pages7
JournalJournal of Solid State Chemistry
Volume153
Issue number1
DOIs
Publication statusPublished - 2000 Jan 1

Keywords

  • Mechanochemical reaction
  • Oxovanadium(IV) complex
  • Polymeric complex

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Ceramics and Composites
  • Condensed Matter Physics
  • Physical and Theoretical Chemistry
  • Inorganic Chemistry
  • Materials Chemistry

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