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Theoretical approach to the magnetic behaviors of newly reported Cobalt(II) complex of Schiff base: distortion and covalency at room temperature

A. BAYRI1, N. RAMAN2,*

Affiliation

  1. Adiyam University Science and Art Faculty, Physics Dept. TR-02020 Adiyam, Turkey
  2. Department of Chemistry, VHNSN College, Virudhunagar 626 001, India

Abstract

The magnetic behavior of Co(II) complex in newly reported Schiff base complex derived from benzyl-2,4- dinitrophenylhydrazone with aniline, is investigated by a theoretical approach for various geometrical situations. It is found that in order to obtain the observed room temperature magnetic moments, some of the parameters, which are related to the geometry of the complexes, should be varied in the magnetic Hamiltonian. From the calculations and experiments published in the literature, it is suggested that the environments of complex seem to be a low field distorted octahedral surrounding. It is also suggested that, allowing a bit of covalency the reported complex seems to be a good candidate to one of the low field octahedral Co(II) complexes.

Keywords

Magnetization, Magnetic susceptibility, Spin-orbit coupling, Cobalt(II) complex, Distortion, Covalency factor.

Citation

A. BAYRI, N. RAMAN, Theoretical approach to the magnetic behaviors of newly reported Cobalt(II) complex of Schiff base: distortion and covalency at room temperature, Optoelectronics and Advanced Materials - Rapid Communications, 1, 12, December 2007, pp.712-716 (2007).

Submitted at: Oct. 15, 2007

Accepted at: Nov. 27, 2007