New Au(i)-Cu(i) heterometallic complexes: The role of bridging pyridazine ligands in the presence of unsupported metallophilic interactions

  1. Donamaría, R. 1
  2. Fernández, E.J. 1
  3. López-De-Luzuriaga, J.M. 1
  4. Monge, M. 1
  5. Olmos, M.E. 1
  6. Pascual, D. 1
  7. Rodríguez-Castillo, M. 1
  1. 1 Universidad de La Rioja
    info

    Universidad de La Rioja

    Logroño, España

    ROR https://ror.org/0553yr311

Revista:
Dalton Transactions

ISSN: 1477-9226

Any de publicació: 2017

Volum: 46

Número: 33

Pàgines: 10941-10949

Tipus: Article

DOI: 10.1039/C7DT02229H SCOPUS: 2-s2.0-85028085083 WoS: WOS:000408696800021 GOOGLE SCHOLAR

Altres publicacions en: Dalton Transactions

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Cites rebudes

  • Cites en Scopus: 5 (08-03-2023)
  • Citas en Web of Science: 5 (14-03-2023)

JCR (Journal Impact Factor)

  • Any 2017
  • Factor d'impacte de la revista: 4.099
  • Factor d'impacte sense autocites: 3.692
  • Article influence score: 0.764
  • Quartil major: Q1
  • Àrea: CHEMISTRY, INORGANIC & NUCLEAR Quartil: Q1 Posició en l'àrea: 6/45 (Edició: SCIE)

SCImago Journal Rank

  • Any 2017
  • Impacte SJR de la revista: 1.306
  • Quartil major: Q1
  • Àrea: Inorganic Chemistry Quartil: Q1 Posició en l'àrea: 12/73

Scopus CiteScore

  • Any 2017
  • CiteScore de la revista: 7.3
  • Àrea: Inorganic Chemistry Percentil: 86

Journal Citation Indicator (JCI)

  • Any 2017
  • JCI de la revista: 1.66
  • Quartil major: Q1
  • Àrea: CHEMISTRY, INORGANIC & NUCLEAR Quartil: Q1 Posició en l'àrea: 2/46

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Resum

The reaction of the polymers [Au2Cu2(C6X5)4(NCMe)2]n (X = Cl (1), F (2)) with the aromatic N-donor ligand pyridazine in different molar ratios gives rise to new Au(i)/Cu(i) heterometallic complexes [AuCu(C6Cl5)2(μ2-C4H4N2)(NCMe)]2 (3), [AuCu(C6X5)2(μ2-C4H4N2)(C4H4N2)]2 (X = Cl (4), X = F (6)) and [Cu2(μ2-C4H4N2)3(NCMe)2][Au(C6F5)2]2 (5). In all cases, the close proximity of the donor atoms in the diazine ligand leads to discrete molecules where two copper centres are connected by two or three bridging pyridazine ligands. In this way, focusing on the number of bridging ligands present in the molecules, unsupported closed-shell Au(i)⋯Cu(i) (with two bridging pyrazine ligands) or weak Cu(i)⋯Cu(i) interactions (with three bridging pyridazines) have been observed. None of these pyridazine derivatives is luminescent, which is probably related to the absence of aurophilic contacts. © 2017 The Royal Society of Chemistry.