Preparation and characterization of some ternary complexes of copper(II) with o-phenanthroline and oxygen donor ligands
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A series of eight ternary complexes, viz. [Cu(phen)(acac)] Cl and Cu(phen)L(H2O)n(phen = o-phenanthroline; L = a bidentate oxygen donor ligand; n = 0, 1 or 2), have been prepared and characterized by microanalysis, infrared spectral and electronic spectral measurements. The results indicate that the Cu(phen)2+ species has a great affinity for oxygen donor ligands resulting in chelate rings of varying sizes. Infrared spectral data indicate that the Cu-O bond weakens as the oxygen donor chelate ring increases in size; the Cu-N bond appears to be less sensitive to ring size. Tentative assignments for the electronic absorption bands have also been made.
1986 ◽
Vol 16
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pp. 1089-1101
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1996 ◽
Vol 249
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pp. 41-46
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2008 ◽
Vol 361
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pp. 1485-1495
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2014 ◽
Vol 70
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pp. 761-767
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2006 ◽
Vol 137
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pp. 997-1003
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