Donor properties of the nitrone function in copper(II) complexes of some 2-hydroxy-1-naphthylnitrones

Sivasubramanian, Shanmugaperumal ; Manisankar, Paramasivam ; Palaniandavar, Mallayan ; Arumugam, Natesan (1982) Donor properties of the nitrone function in copper(II) complexes of some 2-hydroxy-1-naphthylnitrones Transition Metal Chemistry, 7 (6). pp. 346-349. ISSN 0340-4285

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Official URL: http://www.springerlink.com/content/v14443340h8467...

Related URL: http://dx.doi.org/10.1007/BF00618348

Abstract

Copper(II) complexes of the type CuL2, 2H2O and CuL2. Py where L=α -(2-hydroxy-1-naphthyl)-N-R-nitrone (R= methyl, phenyl and variously substituted phenyls) have been isolated and characterised. They have normal magnetic moments. Their ligand field spectra indicate an octahedral geometry for the dihydrates and a five-coordinate environment for the pyridine adducts. Increased ν (C=N) and considerably decreased ν (N-O) frequencies in these complexes reveal the presence of σ - and π -interactions of the ligand with copper through nitrone oxygen. The effect of pyridine adduct formation is to increase the Cu-O σ -interaction.

Item Type:Article
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ID Code:30930
Deposited On:27 Dec 2010 06:59
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