Tellurium-chlorine secondary interactions in palladium(II) complex of MeOC6H4TeCH2CH2NHCH(CH3)C6H4-2-OH resulting in self-assembled bimolecular aggregates with short palladium-palladium distances

Kumar, R., Singh, A. K., Drake, J. E., Hursthouse, M. B. and Little, M. E. (2007) Tellurium-chlorine secondary interactions in palladium(II) complex of MeOC6H4TeCH2CH2NHCH(CH3)C6H4-2-OH resulting in self-assembled bimolecular aggregates with short palladium-palladium distances. Structural Chemistry, 18 (2), 203-207. (doi:10.1007/s11224-006-9077-2).

Abstract

A non-Schiff base (Te, N, O) ligand MeOC6 H4TeCH2CH2NHCH(CH3)C6H4-2-OH (LH) having a chiral center and its palladium(II) complex [PdClL]·CH2Cl2 (1) have been synthesized. Both have characteristic 1H and 13C NMR spectra. The single crystal structure of the complex 1 has been determined by X-ray diffraction methods. The monoclinic crystals of 1 (space group P21/n) have a=14.581(5) Å, b=13.160(5) Å and c=20.249(5) Å, ?=99.398(5)°. The Te <EquationSource Format="TEX"><![CDATA[$$cdots $$]]></EquationSource> Cl secondary interactions [3.303(2)-3.352(2) Å] between two nearly square planar palladium complex molecules results in a bimolecular aggregate having a Pd <EquationSource Format="TEX"><![CDATA[$$cdots $$]]></EquationSource> Pd distance 3.203(1) Å. The Pd-Te, Pd-N and Pd-O bond lengths are 2.5005(7)/2.4914(7), 2.060(4)/2.061(4) and 2.054(3)/2.044(3) Å, respectively.

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