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Electrochemical and spectroelectrochemical studies of complexes of 1,10-phenanthroline-5,6-dione

Murphy, Damien Martin, McNamara, Kenneth, Richardson, Patricia, Sanchez-Romaguera, Veronica, Winpenny, Richard E.P. and Yellowlees, Lesley J. 2011. Electrochemical and spectroelectrochemical studies of complexes of 1,10-phenanthroline-5,6-dione. Inorganica Chimica Acta 374 (1) , pp. 435-441. 10.1016/j.ica.2011.02.050

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Abstract

Electrochemical and spectroelectrochemical (UV–Vis, IR, EPR) of pd (pd = 1,10-phenanthroline-5,6-dione), Pt(N,N′-pd)Cl2, Pd(N,N′-pd)Cl2, [Ru(bpy)2(N,N′-pd)]Cl2 (bpy = 2,2′-bipyridine) and Pt(O,O′-pd)(PPh3)2, where N,N′ and O,O′ refers to coordination of pd to the metal centre via N and O atoms, respectively, reveals that the electron transfer processes between +0.5 and −1.25 V all occur at the pd ligand in agreement with DFT calculations. The two CO groups carry a significant amount of the negative charge in mono-reduced pd1−. The mode of coordination of pd has a greater influence on its redox chemistry than the metal centre or the ancillary ligands.

Item Type: Article
Date Type: Publication
Status: Published
Schools: Chemistry
Subjects: Q Science > QD Chemistry
Uncontrolled Keywords: 1,10-Phenanthroline; Electrochemistry; EPR spectroelectrochemistry; DFT calculations
Publisher: Elsevier
ISSN: 0020-1693
Funders: EPSRC
Last Modified: 04 Jun 2017 02:52
URI: http://orca.cf.ac.uk/id/eprint/12962

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