Abstract
Copper(I) halide complexes of stoichiometry CuL nX have been prepared where L is a diaryltelluride (n = 3, L = Ph 2Te, X = Cl; n = 2, L = Ph 2Te, X = Br; n = 2, L = (p-tolyl) 2Te, X = Cl, Br, I; n = 2, L = (p-EtOC 6H 4) 2 Te, X = Cl, Br; n = 1, L = Ph 2Te or (p-EtOC 6H 4) 2Te, X = I). The new compounds have been examined by X-ray powder methods, conductivity studies and vibrational spectroscopy. It is concluded that the coordination number of copper(I) within the series may be 4 or 3 and that the geometry about the metal is either tetrahedral (CN4) or trigonal planar (CN3). Assignments of copper-halogen stretching vibrations are offered.
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