Synthesis, spectral, electrochemical, crystal structure studies of two novel di-mu-halo-bishalo(2,9-dimethyl-4,7-diphenyl-1,10-phenanthroline)cadm ium(II)] dimer complexes and their thermolysis to nanometal oxides

Warad, I. and Abdoh, M. and Shivalingegowda, N. and Lokanath, N. K. and Salghi, R. and Al-Nuri, M. and Jodeh, S. and Radi, S. and Hammouti, B. (2015) Synthesis, spectral, electrochemical, crystal structure studies of two novel di-mu-halo-bishalo(2,9-dimethyl-4,7-diphenyl-1,10-phenanthroline)cadm ium(II)] dimer complexes and their thermolysis to nanometal oxides. Journal of Molecular Structure, 1099. pp. 323-329. ISSN 0022-2860

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Official URL: http://doi.org/10.1016/j.molstruc.2015.06.043

Abstract

Two new neutral dimer Cadmium(II) complexes, Cd-2(dmdphphen)(2)X-4] and where X = Cl (complex 1), Br (complex 2), and dmdphphen = 2,9-dimethyl-4,7-diphenyl-1,10-phenanthroline, were synthesized and characterized by an elemental analysis, UV-Vis, IR, TG/DTA, CV and single crystal X-ray diffraction. Complex 1 crystallizes in the triclinic system with the space group P-1 with unit cell parameters a = 10.1124(8) angstrom, b = 10.8875(8) angstrom, c = 11.5730(9) angstrom, alpha = 108.323(3)degrees, beta = 107.010(3)degrees, gamma = 91.260(3)degrees V = 1147.51(15) angstrom(3) and Z = 1. The Cd(II) ions are located in a slightly distorted square-pyramidal geometry. The complexes exhibit a quasi-reversible one electron response at -570 mV vs. Cp2Fe/Cp2Fe+, which has been assigned Cd(II)/Cd(III) couples. TG/DTA result shows that these complexes are very stable and decomposed through one step reaction. Calcination of Complex 1, revealed the formation of Cubic nanoparticle CdO. (C) 2015 Elsevier B.V. All rights reserved.

Item Type: Article
Uncontrolled Keywords: Cadmium(II) complexes; Dimer; Distorted square-pyramidal geometry; NMR; Crystal structure
Subjects: D Physical Science > Physics
Divisions: Department of > Physics
Depositing User: Shrirekha N
Date Deposited: 29 May 2019 10:14
Last Modified: 17 Sep 2019 10:20
URI: http://eprints.uni-mysore.ac.in/id/eprint/635

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