Mercury(II) halide complexes of tertiary phosphines. Part XVII. Complexes of the very basic and sterically demanding ligand, tris(2,4,6-trimethoxyphenyl)phosphine (TMPP) of stoichiometry (TMPP)(x)(HgX2)(y) (X = Cl, Br, I; x=1, 2; y=1 : x=2, y=3 : X = I; x=1, y=2). Crystal structures of the monomeric 1 : 1 complexes (TMPP)HgX2 (X = Br, I) and (TMPP) (HgI2)(2)


Bell, N. A., Coles, S. J., Constable, C. P., Hursthouse, M. B., Light, M. E., Mansor, R. and Salvin, N. J. (2002) Mercury(II) halide complexes of tertiary phosphines. Part XVII. Complexes of the very basic and sterically demanding ligand, tris(2,4,6-trimethoxyphenyl)phosphine (TMPP) of stoichiometry (TMPP)(x)(HgX2)(y) (X = Cl, Br, I; x=1, 2; y=1 : x=2, y=3 : X = I; x=1, y=2). Crystal structures of the monomeric 1 : 1 complexes (TMPP)HgX2 (X = Br, I) and (TMPP) (HgI2)(2). Polyhedron, 21, (18), 1845-1855. (doi:10.1016/S0277-5387(02)01042-2).

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Description/Abstract

Reactions between the bulky ligand tris(2,4,6-trimethoxyphenyl)phosphine (TMPP) and HgX2 (X = Cl, Br, 1) in ethanol have been described. Complexes of stoichiometry (P:Hg) 1:1, 2:1 and 2:3 have been isolated and their spectral features discussed. The structures of the 1:1 bromide and iodide show them to be discrete monomers unlike most other tertiary phosphine analogues. Additionally a complex of stoichiometry TMPP(HgI2)(2) has been prepared and characterised structurally as (TMPP)HgI(mu-I)HgI(mu-I)(2)HgI(mu-I)HgI(TMPP).

Item Type: Article
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Keywords: mercury(ii) halides, phosphine complexes, crystal structures nuclear-magnetic-resonance, vibrational-spectra, 1-1 complexes, solid-state, p-31, hgx2(pr3), series, salts
Subjects: Q Science
Q Science > QD Chemistry
Divisions: University Structure - Pre August 2011 > School of Chemistry
ePrint ID: 19670
Date Deposited: 16 Feb 2006
Last Modified: 27 Mar 2014 18:09
URI: http://eprints.soton.ac.uk/id/eprint/19670

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