Unprecedented Pt-Pt Bonded Trimer {[Pt2Cu4(CºCPh)8]}3 showing Unusual Near-Infrared Luminescence

  1. Charmant, J.P.H. 3
  2. Forniés, J. 2
  3. Gómez, J. 3
  4. Lalinde, E. 1
  5. Merino, R.I. 2
  6. Moreno, M.T. 1
  7. Orpen, A.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 School of Chemistry, University of Bristol, Bristol, BS8 1TS, United Kingdom
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Revista:
Organometallics

ISSN: 0276-7333

Ano de publicación: 1999

Volume: 18

Número: 17

Páxinas: 3353-3358

Tipo: Artigo

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DOI: 10.1021/OM9902030 SCOPUS: 2-s2.0-0000080102 WoS: WOS:000082249400016 GOOGLE SCHOLAR

Outras publicacións en: Organometallics

Repositorio institucional: lock_openAcceso aberto Editor

Resumo

The homoleptic high-nuclearity platinum-copper acetylide complex of stoichiometry [PtCu2-(C≡CPh)4] crystallizes in at least three different polymorphic forms. Dark violet-green crystals with metallic reflectance have been shown by an X-ray diffraction study to be formed by discrete trimers of an hexanuclear octahedral cluster unit {[Pt2Cu4(C≡CPh)8]}3 stabilized by two unsupported Pt-Pt interactions [2.995(1) Å]. The photoluminescence behavior of this complex which is dramatically influenced by strong axial Pt⋯Pt interactions either in solid state or in solution (CH2Cl2 298, 77 K) has been studied.