Studies of Some Chromium (Iii) Complexes of Schiff Bases and Calculation of Extra Band Energies In Octahedral Complexes Involving Weak Ligand Fields

P. Singh; Archana Singh; V. Singh; K. B. S. Chauhan

Article | Open Access

Studies of Some Chromium (Iii) Complexes of Schiff Bases and Calculation of Extra Band Energies In Octahedral Complexes Involving Weak Ligand Fields

P. Singh¹, Archana Singh^2*, V. Singh¹ and K. B. S. Chauhan¹

¹Chemical Laboratories S.S.V. College, Hapur, Ghaziabad India. ²Department of Chemistry, Sadhu Vaswani College, Bairagarh, Bhopal - 462 001 India.

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ABSTRACT:

The spectral and magnetic properties of the chromium (III) complexes of N-4-methyl-7-hydroxy-8-acetocoumarinyl carbohydrazone (MHACC) and N-4-methyl-7-hydroxy-8-aceto coumarinyl thioacrbohydrazone (MHACTC) have been studied and the ligand filed parameters evaluated. The spectra of Cr(C25H20N4O7CI)CI2 complexes involving weak ligand field have been interpreted by calculating extra band energy of the second and third spin-allowed transition.

KEYWORDS:

thioacrbohydrazone; N-4-methyl-7-hydroxy-8-acetocoumarinyl carbohydrazone

Article Publishing History

Received on: November 11, 1999