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Title: Synthesis, spectra, electrochemistry and single crystal X-ray structure [Co(α-Nai Et)2(N3)2],α- NaiEt =1-ethyl-2-(naphthyl-α-azo)imidazole
Authors: Banerjee, Debasis
Sinha, Chittaranjan
Issue Date: Oct-2006
Publisher: NISCAIR-CSIR, India
IPC Code: Int. Cl.8 C07F15/06
Abstract: Reaction of 1-alkyl-2-(naphthyl-α-azo)imidazoles [α-NaR,(1) where R = Me(a), Et (b),Bz(c)] with cobalt (II) acetate and NaN3 in methanol solution results in bis- chelated, azido complex,[Co(α-Nai R)2(N3)2] (2). The X- ray structure shows distorted octahedral CoN6 coordination sphere with trans- trans- trans (ttt)2b with reference to sequence of coordination pairs of azido-N, azo-N and imidazole-N. The structure is a first example of ttt type configuration in 3d metal complexes of azoimine function. Redox properties of the complexes have been examined by cyclic voltammetry and show high potential Co(III)/Co(II) couple along with ligand reductions.
Page(s): 2224-2228
ISSN: 0975-0975(Online); 0376-4710(Print)
Appears in Collections: IJC-A Vol.45A(10) [October 2006]

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