Synthesis, Photochemical, and Redox Properties of Gold(I) and Gold(III) Pincer Complexes Incorporating a 2,2′:6′,2″-Terpyridine Ligand Framework

  1. Gimeno, M.C. 2
  2. López-De-Luzuriaga, J.M. 1
  3. Manso, E. 1
  4. Monge, M. 1
  5. Olmos, M.E. 1
  6. Rodríguez-Castillo, M. 1
  7. Tena, M.-T. 1
  8. Day, D.P. 3
  9. Lawrence, E.J. 3
  10. Wildgoose, G.G. 3
  1. 1 Universidad de La Rioja
    info

    Universidad de La Rioja

    Logroño, España

    GRID grid.119021.a

  2. 2 Universidad de Zaragoza
    info

    Universidad de Zaragoza

    Zaragoza, España

    GRID grid.11205.37

  3. 3 University of East Anglia
    info

    University of East Anglia

    Norwich, Reino Unido

    GRID grid.8273.e

Show affiliations +
Journal:
Inorganic Chemistry

ISSN: 0020-1669

Year of publication: 2015

Volume: 54

Issue: 22

Pages: 10667-10677

Type: Article

Export: RIS
DOI: 10.1021/acs.inorgchem.5b01477 SCOPUS: 2-s2.0-84947562642 WoS: 000364981300021 GOOGLE SCHOLAR
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Cited by

  • Scopus Cited by: 21 (14-07-2021)

Journal Citation Reports

  • Year 2015
  • Journal Impact Factor: 4.82
  • Best Quartile: Q1
  • Area: CHEMISTRY, INORGANIC & NUCLEAR Quartile: Q1 Rank in area: 4/46 (Ranking edition: SCIE)

SCImago Journal Rank

  • Year 2015
  • SJR Journal Impact: 1.782
  • Best Quartile: Q1
  • Area: Chemistry (miscellaneous) Quartile: Q1 Rank in area: 35/455
  • Area: Inorganic Chemistry Quartile: Q1 Rank in area: 6/73
  • Area: Physical and Theoretical Chemistry Quartile: Q1 Rank in area: 20/165

CiteScore

  • Year 2015
  • CiteScore of the Journal : 8.5
  • Area: Inorganic Chemistry Percentile: 96
  • Area: Physical and Theoretical Chemistry Percentile: 90
  • Area: Medicine (all) Percentile: 89

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Abstract

Reaction of [Au(C6F5)(tht)] (tht = tetrahydrothiophene) with 2,2′:6′,2″-terpyridine (terpy) leads to complex [Au(C6F5)(η1-terpy)] (1). The chemical oxidation of complex (1) with 2 equiv of [N(C6H4Br-4)3](PF6) or using electrosynthetic techniques affords the Au(III) complex [Au(C6F5)(η3-terpy)](PF6)2 (2). The X-ray diffraction study of complex 2 reveals that the terpyridine acts as tridentate chelate ligand, which leads to a slightly distorted square-planar geometry. Complex 1 displays fluorescence in the solid state at 77 K due to a metal (gold) to ligand (terpy) charge transfer transition, whereas complex 2 displays fluorescence in acetonitrile due to excimer or exciplex formation. Time-dependent density functional theory calculations match the experimental absorption spectra of the synthesized complexes. In order to further probe the frontier orbitals of both complexes and study their redox behavior, each compound was separately characterized using cyclic voltammetry. The bulk electrolysis of a solution of complex 1 was analyzed by spectroscopic methods confirming the electrochemical synthesis of complex 2. © 2015 American Chemical Society.