Heterometallic gold(i)-thallium(i) compounds with crown thioethers

  1. Blake, A.J. 3
  2. Donamaría, R. 1
  3. Fernández, E.J. 1
  4. Lasanta, T. 1
  5. Lippolis, V. 2
  6. López-De-Luzuriaga, J.M. 1
  7. Manso, E. 1
  8. Monge, M. 1
  9. Olmos, M.E. 1
  1. 1 Universidad de La Rioja
    info

    Universidad de La Rioja

    Logroño, España

    ROR https://ror.org/0553yr311

  2. 2 University of Cagliari
    info

    University of Cagliari

    Cagliari, Italia

    ROR https://ror.org/003109y17

  3. 3 University of Nottingham
    info

    University of Nottingham

    Nottingham, Reino Unido

    ROR https://ror.org/01ee9ar58

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Revista:
Dalton Transactions

ISSN: 1477-9226

Ano de publicación: 2013

Volume: 42

Número: 32

Páxinas: 11559-11570

Tipo: Artigo

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DOI: 10.1039/C3DT51334C SCOPUS: 2-s2.0-84883206100 WoS: WOS:000322121200026 GOOGLE SCHOLAR lock_openAcceso aberto editor

Outras publicacións en: Dalton Transactions

Resumo

The polymeric Au/Tl compounds [{Au(C6X5) 2}Tl]n (X = Cl, F) react with the crown thioethers 1,4,7-trithiacyclononane ([9]aneS3), 1,5,8,11- tetrathiacyclotetradecane ([14]aneS4), and 1,4,7,10,13,16,19,22- octathiacyclotetracosane ([24]aneS8) in an appropriate molar ratio to afford [{Au(C6X5)2}Tl(L)]2 [L = [9]aneS3, X = Cl (1), F (4); L = [14]aneS4, X = Cl (2), F (5)], [{Au(C6Cl5)2}2Tl 2([24]aneS8)]n (3) or [{Au(C6F 5)2}2Tl2([24]aneS8)] (6). X-ray diffraction studies of 3, 4 and 6 reveal polymeric (3) or tetranuclear (4, 6) structures formed via Tl-S bonds and Au⋯Tl or Au⋯Tl and Au⋯Au contacts. All the complexes are luminescent in the solid state, but not in solution, where the metal-metal interactions, which are responsible for the luminescence, are no longer present. DFT calculations on representative model systems of complexes 3, 4 and 6 have also been carried out in order to determine the origin of the electronic transitions responsible for their optical properties. © 2013 The Royal Society of Chemistry.