Mercury halide complexes of tertiary phosphines. Part XVI. Dimer-monomer trend in the 1 : 1 complexes of mercury(II) halides with bulky tris(2,6-dimethoxyphenyl)phosphine (DMPP)
Bell, N. A., Coles, S. J., Hursthouse, M. B., Light, M. E., Malik, K. A. and Mansor, R. (2000) Mercury halide complexes of tertiary phosphines. Part XVI. Dimer-monomer trend in the 1 : 1 complexes of mercury(II) halides with bulky tris(2,6-dimethoxyphenyl)phosphine (DMPP). Polyhedron, 19, (14), 1719-1726. (doi:10.1016/S0277-5387(00)00451-4).
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Reactions of HgX2 (X = Cl, Br, I) with the very bulky tertiary phosphine, tris(2,6-dimethoxyphenyl)phosphine (DMPP), in either a 1:1 or a 1:2 ratio, result in only the isolation of the 1:1 adducts. The structures adopted in the solid state are markedly influenced by the steric requirement of the phosphine. In contrast to the 1:1 triphenylphosphine adducts reported earlier, which are dimeric, the DMPP mercury(II) chloride and bromide complexes are weakly linked dimers while the iodide is the first example of a mercury iodide-phosphine complex with a monomeric distorted trigonal-planar arrangement around mercury. All three complexes contain secondary interactions with the o-methoxy groups.
|Keywords:||mercury(ii) halides, phosphine complexes, crystal structures nuclear-magnetic-resonance, carbon-monoxide reactions, crystal-structure, vibrational-spectra, rhodium(ii) complex, 1-1complexes, solid-state, tris(2,4,6-trimethoxyphenyl)phosphine, triphenylphosphine, ligands|
Q Science > QD Chemistry
|Divisions:||University Structure - Pre August 2011 > School of Chemistry
|Date Deposited:||16 Dec 2005|
|Last Modified:||01 Jun 2011 01:46|
|Contributors:||Bell, N. A. (Author)
Coles, S. J. (Author)
Hursthouse, M. B. (Author)
Light, M. E. (Author)
Malik, K. A. (Author)
Mansor, R. (Author)
|Date:||15 July 2000|
|RDF:||RDF+N-Triples, RDF+N3, RDF+XML, Browse.|
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