Title

Synthesis and Characterization of Cr(III), Mn(II), Co(II), Ni(II), and Cu(II) Complexes with a Hexadentate Hemi-Cage Ligand Formed with Bipyridine

Document Type

Article

Publication Date

1-10-2011

Abstract

A series of transition metal complexes, Cr(III), Mn(II), Co(II), Ni(II), and Cu(II), have been prepared and characterized using the hemi-cage ligand previously reported by Beeston et al. [R.F. Beeston, W.S. Aldridge, J.A. Treadway, M.C. Fitzgerald, B.A. Degraff, S.E. Stitzel. Inorg. Chem., 37, 4368 (1998)]. The ligand is composed of three bipyridyl groups covalently bound to a central benzene ring through ethyl groups. Preliminary DFT calculation with Cr(III) indicates that the ligand will allow the three bipyridyl groups to coordinate to a metal with a pseudooctahedral coordination geometry. Comparison of UV-Vis spectra, magnetic susceptibility, and cyclic voltammetry indicates that the complexes are remarkably similar to the corresponding bipyridine complexes, M(bpy) . No evidence was found to indicate that the ligand restricts the motion of the bipyridyl groups enough to change the chemical properties. © 2011 Taylor & Francis.

DOI

10.1080/00958972.2010.539213

First Page

48

Last Page

56

Volume

64

Issue

1

Publication Title

Journal of Coordination Chemistry

ISSN

00958972

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