Synthesis, Spectral, Electrochemical, Crystal Structure Studies of two Novel di-μ-halo-bis[halo(2,9-dimethyl-4,7-diphenyl-1,10-phenanthroline)cadmium(II)] dimer Complexes and their Thermolysis to Nanometal Oxide

Journal Title, Volume, Page:

Journal of Molecular Structure 1099 (2015) 323 - 329

Year of Publication:

2015

Link:

http://www.sciencedirect.com/science/article/pii/S0022286015300727

Authors:

Muneer Abdoh

Department of Physics, Faculty of Sciences, An-Najah National University, Nablus, Palestine

Ismail Warad

Department of Chemistry, Faculty of Science, An-Najah National University, Nablus, Palestine

Lokanath K Neratur

Department of Studies in Physics, University of Mysore, Manasagangotri, Mysore 570 006, India

Rachid Salghi

Laboratory of Environmental Engineering and Biotechnology, ENSA, Universit e Ibn Zohr, PO Box 1136, 80000 Agadir, Morocco

Mohammed A. Al-Nuri

Department of Chemistry, Faculty of Science, An-Najah National University, Nablus, Palestine

Belkheir Hammouti

Laboratoire de Chimie Appliqu ee et Environnement (LCAE), Facult e des Sciences, Universit e Mohamed I, 60 000 Oujda, Morocco

S. Naveen

Institution of Excellence, Vijnana Bhavan, University of Mysore, Manasagangotri, Mysore 570 006, India

Preferred Abstract (Original):

Two new neutral dimer Cadmium(II) complexes, [Cd2(dmdphphen)2X4] 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) Å, b = 10.8875(8) Å, c = 11.5730(9) Å, α = 108.323(3)º, β = 107.010(3)º, γ = 91.260(3)º V = 1147.51(15) Å3 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.

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Synthesis, Spectral, Electrochemical, Crystal Structure Studies of two Novel di-μ-halo-bis[halo(2,9-dimethyl-4,7-diphenyl-1,10-phenanthroline)cadmium(II)] dimer Complexes and their Thermolysis to Nanometal Oxide