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Studies on Co(II) and Co(III) complexes of di-2-pyridyl ketone N(4)-cyclohexyl and N(4)-phenyl thiosemicarbazones

Suni, V and Kurup, Prathapachandra MR and Nethaji, Munirathinam (2007) Studies on Co(II) and Co(III) complexes of di-2-pyridyl ketone N(4)-cyclohexyl and N(4)-phenyl thiosemicarbazones. In: Polyhedron, 26 (18). pp. 5203-5209.

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Abstract

Six new Co(II) and Co(III) complexes (1–6) of di-2-pyridyl ketone N(4)-cyclohexyl thiosemicarbazone $(HL^1)$ and di-2-pyridyl ketoneN(4)-phenyl thiosemicarbazone $(HL^2)$ have been synthesized and spectrochemically characterized. $HL^1$ is newly synthesized and has been structurally characterized by single crystal X-ray diffraction studies, while $HL^2$ has been previously reported. $HL^1$ crystallizes into a monoclinic lattice with the space group $P2_1$. The complexes are characterized by magnetic, EPR, NMR and other spectroscopic studies. The EPR spectra of the paramagnetic complexes reveal axial features with eight hyperfine lines clearly resolved in the perpendicular region.

Item Type: Journal Article
Additional Information: Copyright of this article belongs to Elsevier.
Keywords: Di-2-pyridyl ketone; Thiosemicarbazone; Co(II) complexes; Co(III) complexes; EPR; Crystal structure.
Department/Centre: Division of Chemical Sciences > Inorganic & Physical Chemistry
Date Deposited: 18 Feb 2008
Last Modified: 19 Sep 2010 04:42
URI: http://eprints.iisc.ernet.in/id/eprint/13063

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