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

    ROR https://ror.org/0553yr311

  2. 2 Universidad de Zaragoza
    info

    Universidad de Zaragoza

    Zaragoza, España

    ROR https://ror.org/012a91z28

  3. 3 University of East Anglia
    info

    University of East Anglia

    Norwich, Reino Unido

    ROR https://ror.org/026k5mg93

Erakutsi afiliazioak +
Aldizkaria:
Inorganic Chemistry

ISSN: 0020-1669

Argitalpen urtea: 2015

Alea: 54

Zenbakia: 22

Orrialdeak: 10667-10677

Mota: Artikulua

beta Ver similares en nube de resultados
DOI: 10.1021/ACS.INORGCHEM.5B01477 SCOPUS: 2-s2.0-84947562642 WoS: WOS:000364981300021 GOOGLE SCHOLAR

Beste argitalpen batzuk: Inorganic Chemistry

Gordailu instituzionala: lock_openSarbide irekia Editor lock_openSarbide irekia Editor

Lotura duten proiektuak

Nuevas estrategias para la síntesis orientada de complejos del grupo 11 con aplicación óptica, biológica y catalítica.

2014/00066/001

Laburpena

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.