Electrical conductivity of chloro(phenyl) glyoxime and its Co(II), Ni(II) and Cu(II) complexes

TÜRKOĞLU O., Soylak M., BELENLİ I.

COLLECTION OF CZECHOSLOVAK CHEMICAL COMMUNICATIONS, vol.68, no.7, pp.1233-1242, 2003 (SCI-Expanded) identifier identifier

  • Publication Type: Article / Article
  • Volume: 68 Issue: 7
  • Publication Date: 2003
  • Doi Number: 10.1135/cccc20031233
  • Journal Name: COLLECTION OF CZECHOSLOVAK CHEMICAL COMMUNICATIONS
  • Journal Indexes: Science Citation Index Expanded (SCI-EXPANDED), Scopus
  • Page Numbers: pp.1233-1242
  • Keywords: electrical conductivity, cobalt, nickel, copper, chloro(phenyl)glyoxime complexes, oximes, dioximes, XRD
  • Erciyes University Affiliated: Yes

Abstract

Chloro( phenyl) glyoxime, a vicinal dioxime, and its Ni(II), Cu(II) and Co(II) complexes were prepared. XRD patterns of the complexes point to similar crystal structures. IR and elemental analysis data revealed the 1: 2 metal-ligand ratio in the complexes. The Co( II) complex is a dihydrate. Temperature dependence of electrical conductivity of the solid ligand and its complexes was measured in the temperature range 25-250 degreesC; it ranged between 10(-14)-10(-6) Omega(-1) cm(-1) and increased with rising temperature. The activation energies were between 0.61-0.80 eV. The Co( II) complex has lower electric conductivity than the Ni( II) and Cu( II) complexes. This difference in the conductivity has been attributed to differences in the stability of the complexes.