T. Lobana, R. Kumar, Renu Sharma
Jul 10, 2005
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0
Influential Citations
12
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Journal
Journal of Coordination Chemistry
Abstract
The preparation and crystal structures of copper(I) iodide complexes with tri-o-tolylphosphine (o-tolyl3P) and tri-p-tolylphosphine (p-tolyl3P) are described. While p-tolyl3P forms an iodo-bridged cubane, [Cu4I4(p-tolyl3P)4], 1, o-tolyl3P forms a dimer, [Cu2I2(o-tolyl3P)2], 2. In 1, each Cu is bonded to one P atom of p-tolyl3P {Cu–P, 2.248(2), 2.243(5) Å} and three iodide ligands {Cu–I, 2.690(1), 2.686(2), 2.663(2) Å}. I–Cu–I bond angles are in the range 67–70° and Cu–I–Cu vary between 106 and 112°. In 2, the central unit, Cu(μ-I)2Cu, forms a parallelogram with unequal Cu–I distances {Cu–I, 2.601(1), 2.579(1) Å} and bond angles {Cu–I–Cu, 74.42(3), I–Cu–I, 105.58(3)°}. Each Cu atom is further bonded to one P atom of o-tolyl3P {Cu–P, 2.246(2) Å}.