Supramolecular assemblies of cis-palladium complexes dominated by C-H center dot center dot center dot Cl interactions
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Elsevier B.V.
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Two cis-related palladium(II) complexes [PdCl(2)(PPh(3))(tu)] (1) and [PdCl(2)(tmen)] (2) {PPh(3) = triphenylphosphine, tu = thiourea, tmen = N,N,N,N-tetramethylethylenediamine} have been synthesized and characterized by elemental analysis, IR and NMR spectroscopies, and single crystal X-ray diffraction. In 1, N-H center dot center dot center dot Cl hydrogen bonds are responsible for the formation of a dimer which connects to an adjacent one through weak C-H center dot center dot center dot Cl interactions, yielding 1D tapes. The crystal packing of compound 2 consists of zigzag ribbons of [PdCl(2)(tmen)] self-assembled by C-H center dot center dot center dot Cl hydrogen bonds which also holds the chains together, giving rise to a 2D layered structure. (C) 2006 Elsevier B.V. All rights reserved.
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supramolecular chemistry, C-H center dot center dot center dot Cl hydrogen bonds, palladium(II), self-assembly
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Inorganic Chemistry Communications. Amsterdam: Elsevier B.V., v. 9, n. 5, p. 493-496, 2006.
