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Complexes of lanthanide iodides with 4-methylpyridine-1-oxide and 2-methylpyridine-1-oxide

Ramakrishnan, L and Soundararajan, S (1977) Complexes of lanthanide iodides with 4-methylpyridine-1-oxide and 2-methylpyridine-1-oxide. In: Proceedings Mathematical Sciences, 86 (1). pp. 59-64.

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Abstract

Complexes of lanthanide iodides with 4-methylpyridine-1-oxide and 2-methylpyridine-1-oxide of the formulae Ln(4-MePyO)8I3.xH2O (x=0 or 2) and Ln(2-MePyO)5I3.xH2O (x=0, 1 or 3) have been prepared and characterized by analyses, conductance, infrared and proton NMR data. Infrared spectra of the complexes indicate that the coordination of the ligand to the metal ion takes place through the oxygen of the N-O group of the ligand. Proton NMR data for the paramagnetic complexes indicate that both contact and pseudocontact interactions are responsible for the isotropic shifts. Proton NMR spectra of the 2-methylpyridine-1-oxide complexes indicate a restricted rotation of the ligand about the N-O group.

Item Type: Journal Article
Additional Information: Copyright of this article belongs to Sprigner Link.
Keywords: Lanthanide complexes; 2-methylpyridine-1-oxide - 4-methylpyridine-1-oxide; picoline-N-oxide; isotropic shifts; restricted rotation
Department/Centre: Division of Chemical Sciences > Inorganic & Physical Chemistry
Depositing User: Paramesha S
Date Deposited: 21 Jan 2010 05:17
Last Modified: 19 Sep 2010 05:50
URI: http://eprints.iisc.ac.in/id/eprint/24423

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