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Synthesis and structural studies on polymeric assemblies derived from antimony(III) halide complexes with bi- and tri-dentate and macrocyclic thio- and seleno-ether ligands

Synthesis and structural studies on polymeric assemblies derived from antimony(III) halide complexes with bi- and tri-dentate and macrocyclic thio- and seleno-ether ligands
Synthesis and structural studies on polymeric assemblies derived from antimony(III) halide complexes with bi- and tri-dentate and macrocyclic thio- and seleno-ether ligands
SbX3 (X=Cl, Br or in some cases I) reacts with one molar equivalent of L [L=MeS(CH2)(2)SMe, MeS(CH2)(3)SMe, MeSe(CH2)(2)SeMe, MeC(CH2SMe)(3), MeC(CH2SeMe)(3), [12]aneS(4) (1,4,7,10-tetrathiacyclododecane), [14]aneS(4) (1,4,8,11-tetrathiacyclotetradecane), [16]aneS(4) (1,5,9,13-tetrathiacyclohexadecane), [8]aneSe(2) (1,5-diselenacyclooctane) or [16]aneSe(4) (1,5,9,13-tetraselenacyclohexadecane)] in anhydrous CH2Cl2, MeCN or thf solution to afford colourless to red-orange powdered solids involving a 1:1 Sb:L ratio in most cases, and occasionally a 2:1 Sb:L ratio. The crystal structures of [SbCl3{MeS(CH2)(2)SMe}], [(SbBr3)(2)([14]aneS(4))], [SbCl3{MeC(CH2SMe)(3)}], [SbI3{MeC(CH2SMe)(3)}] and [SbBr3{MeC(CH2SeMe)(3)}] all exhibit infinite one- or three-dimensional networks which are assembled from distorted five or six coordinate Sb(III) with primary Sb-X bonding, secondary Sb-S or Sb-Se interactions and retention of the pyramidal SbX3 unit found in the parent halides. The structures of these compounds are discussed in terms of the bonding model used by others for antimony phosphine complexes. They are also compared with the structures of other reported thioether complexes of Sb(III), and with their Bi(III) analogues.
molecular-structures, magnetic-resonance, crystal, elements
1472-7773
1621-1627
Barton, Andrew J.
d30729b8-2d8c-45ca-bd13-35a696f6e255
Hill, Nicholas J.
c588ad7e-5668-46b9-b84a-791b664f37aa
Levason, William
e7f6d7c7-643c-49f5-8b57-0ebbe1bb52cd
Reid, Gillian
37d35b11-40ce-48c5-a68e-f6ce04cd4037
Barton, Andrew J.
d30729b8-2d8c-45ca-bd13-35a696f6e255
Hill, Nicholas J.
c588ad7e-5668-46b9-b84a-791b664f37aa
Levason, William
e7f6d7c7-643c-49f5-8b57-0ebbe1bb52cd
Reid, Gillian
37d35b11-40ce-48c5-a68e-f6ce04cd4037

Barton, Andrew J., Hill, Nicholas J., Levason, William and Reid, Gillian (2001) Synthesis and structural studies on polymeric assemblies derived from antimony(III) halide complexes with bi- and tri-dentate and macrocyclic thio- and seleno-ether ligands. Journal of the Chemical Society Dalton Transactions, (10), 1621-1627. (doi:10.1039/b100782n).

Record type: Article

Abstract

SbX3 (X=Cl, Br or in some cases I) reacts with one molar equivalent of L [L=MeS(CH2)(2)SMe, MeS(CH2)(3)SMe, MeSe(CH2)(2)SeMe, MeC(CH2SMe)(3), MeC(CH2SeMe)(3), [12]aneS(4) (1,4,7,10-tetrathiacyclododecane), [14]aneS(4) (1,4,8,11-tetrathiacyclotetradecane), [16]aneS(4) (1,5,9,13-tetrathiacyclohexadecane), [8]aneSe(2) (1,5-diselenacyclooctane) or [16]aneSe(4) (1,5,9,13-tetraselenacyclohexadecane)] in anhydrous CH2Cl2, MeCN or thf solution to afford colourless to red-orange powdered solids involving a 1:1 Sb:L ratio in most cases, and occasionally a 2:1 Sb:L ratio. The crystal structures of [SbCl3{MeS(CH2)(2)SMe}], [(SbBr3)(2)([14]aneS(4))], [SbCl3{MeC(CH2SMe)(3)}], [SbI3{MeC(CH2SMe)(3)}] and [SbBr3{MeC(CH2SeMe)(3)}] all exhibit infinite one- or three-dimensional networks which are assembled from distorted five or six coordinate Sb(III) with primary Sb-X bonding, secondary Sb-S or Sb-Se interactions and retention of the pyramidal SbX3 unit found in the parent halides. The structures of these compounds are discussed in terms of the bonding model used by others for antimony phosphine complexes. They are also compared with the structures of other reported thioether complexes of Sb(III), and with their Bi(III) analogues.

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More information

Published date: 2001
Keywords: molecular-structures, magnetic-resonance, crystal, elements

Identifiers

Local EPrints ID: 19394
URI: https://eprints.soton.ac.uk/id/eprint/19394
ISSN: 1472-7773
PURE UUID: e2ab3920-4f42-4617-ac7f-ce0fe0e94857
ORCID for William Levason: ORCID iD orcid.org/0000-0003-3540-0971
ORCID for Gillian Reid: ORCID iD orcid.org/0000-0001-5349-3468

Catalogue record

Date deposited: 14 Feb 2006
Last modified: 14 Jul 2018 00:37

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