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

Ano de publicación: 2017

Volume: 46

Número: 33

Páxinas: 10941-10949

Tipo: Artigo

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

Outras publicacións en: Dalton Transactions

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Citas recibidas

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

JCR (Journal Impact Factor)

  • Ano 2017
  • Factor de impacto da revista: 4.099
  • Factor de impacto sen autocitas: 3.692
  • Article influence score: 0.764
  • Cuartil maior: Q1
  • Área: CHEMISTRY, INORGANIC & NUCLEAR Cuartil: Q1 Posición na área: 6/45 (Edición: SCIE)

SCImago Journal Rank

  • Ano 2017
  • Impacto SJR da revista: 1.306
  • Cuartil maior: Q1
  • Área: Inorganic Chemistry Cuartil: Q1 Posición na área: 12/73

Scopus CiteScore

  • Ano 2017
  • CiteScore da revista: 7.3
  • Área: Inorganic Chemistry Percentil: 86

Journal Citation Indicator (JCI)

  • Ano 2017
  • JCI da revista: 1.66
  • Cuartil maior: Q1
  • Área: CHEMISTRY, INORGANIC & NUCLEAR Cuartil: Q1 Posición na área: 2/46

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Resumo

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.