Synthesis and structures of one-dimensional co-ordination polymers derived from bismuth(III) selenoether macrocyclic complexes
Barton, A. J., Genge, A. R. J., Levason, W. and Reid, G. (2000) Synthesis and structures of one-dimensional co-ordination polymers derived from bismuth(III) selenoether macrocyclic complexes. Journal of the Chemical Society, Dalton Transactions, (13), 2163-2166. (doi:10.1039/b002287j).
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Treatment of BiX3 (X=Cl or Br) with aneSe(2) (1,5-diselenacyclooctane), aneSe(4) (1,5,9,13-tetraselenacyclohexadecane), aneSe(6) (1,5,9,13,17,21-hexaselenacyclotetracosane) yielded species of formula [BiX3(L)] in moderate to high yield as intensely coloured powdered solids. The crystal structures of [BiCl3(aneSe(2))] and [BiBr3(aneSe(4))] each reveal infinite one-dimensional ladder structures derived from almost planar Bi2X6 dimer units linked by mu-bridging cyclic selenoethers. Each Bi is co-ordinated to a Se2X4 donor set, with the Se donor atoms occupying mutually trans co-ordination sites. The selenoether ligands adopt exocyclic arrangements and, in [BiBr3(aneSe(4))], it is two trans Se atoms which co-ordinate to Bi-III, leaving the other two Se atoms non-co-ordinating. The structures of these species are contrasted with related complexes involving acyclic selenoether ligands and with the few structurally characterised bismuth(III) halide complexes with macrocyclic thioether ligands.
|Digital Object Identifier (DOI):||doi:10.1039/b002287j|
|Keywords:||nuclear-magnetic-resonance, crystal-structures, tin(iv) halides, silver(i) complexes, phosphine complexes, chemistry, dithioether, copper(i), adducts, ethers|
Q Science > QD Chemistry
|Divisions :||University Structure - Pre August 2011 > School of Chemistry
|Accepted Date and Publication Date:||
|Date Deposited:||20 Dec 2005|
|Last Modified:||31 Mar 2016 11:35|
|RDF:||RDF+N-Triples, RDF+N3, RDF+XML, Browse.|
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