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Please use this identifier to cite or link to this item: http://purl.org/purl/4705

Title: Synthesis, spectral characterization and crystal structure of copper(II) complexes of 2-benzoylpyridine-N(4)-phenylsemicarbazone
Authors: Prathapachandra Kurup, M R
Binu, Varghese
Sithambaresan, M
Suja, Krishnan
Sheeja, S R
Eringathodi, Suresh
Keywords: 2-Benzoylpyridine
Copper(II) complexes
X-ray crystal structure
Issue Date: 2011
Publisher: Elsevier
Abstract: An interesting series of nine new copper(II) complexes [Cu2L2(OAc)2] H2O (1), [CuLNCS] ½H2O (2), [CuLNO3] ½H2O (3), [Cu(HL)Cl2] H2O (4), [Cu2(HL)2(SO4)2] 4H2O (5), [CuLClO4] ½H2O (6), [CuLBr] 2H2O (7), [CuL2] H2O (8) and [CuLN3] CH3OH (9) of 2-benzoylpyridine-N(4)-phenyl semicarbazone (HL) have been synthesized and physico-chemically characterized. The tridentate character of the semicarbazone is inferred from IR spectra. Based on the EPR studies, spin Hamiltonian and bonding parameters have been calculated. The g values, calculated for all the complexes in frozen DMF, indicate the presence of the unpaired electron in the dx2 y2 orbital. The structure of the compound, [Cu2L2(OAc)2] (1a) has been resolved using single crystal X-ray diffraction studies. The crystal structure revealed monoclinic space group P21/n. The coordination geometry about the copper(II) in 1a is distorted square pyramidal with one pyridine nitrogen atom, the imino nitrogen, enolate oxygen and acetate oxygen in the basal plane, an acetate oxygen form adjacent moiety occupies the apical position, serving as a bridge to form a centrosymmetric dimeric structure
Description: Polyhedron 30 (2011) 70–78
URI: http://dyuthi.cusat.ac.in/purl/4705
Appears in Collections:Dr. M.R.Prathapachandra Kurup

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