Synthesis, Characterization and Optical Properties of Pentafluorophenyl Complexes with Pt-Cd bond

  1. Forniés, J. 1
  2. Ibáñez, S. 1
  3. Martín, A. 1
  4. Gil, B. 2
  5. Lalinde, E. 2
  6. Moreno, M.T. 2
  1. 1 Depto. de Quím. Inorg., Inst. de Cie. de Mat. de Arag., CSIC, 50009 Zaragoza, Spain
  2. 2 Universidad de La Rioja
    info

    Universidad de La Rioja

    Logroño, España

    ROR https://ror.org/0553yr311

Revista:
Organometallics

ISSN: 0276-7333

Año de publicación: 2004

Volumen: 23

Número: 16

Páginas: 3963-3975

Tipo: Artículo

DOI: 10.1021/OM049719W SCOPUS: 2-s2.0-4043125318 WoS: WOS:000222950800029 DIALNET GOOGLE SCHOLAR

Otras publicaciones en: Organometallics

Repositorio institucional: lock_openAcceso abierto Editor

Resumen

Novel bimetallic neutral [(C6F5) 4PtCd(cyclen)] and [(C6F5) 2(C≡CPh)2PtCd(cyclen)] (1, 2) and cationic [(C 6F5)2(bzq)PtCd(cyclen)](ClO4) (3) pentafluorophenylplatinum(II)-cadmium-(II) derivatives have been prepared by treatment of the adequate anionic starting precursors [Pt(C6F 5)2X2]n- (n = 2, X = C 6F5, C≡CPh; n = 1, X2 = bzq) with Cd(ClO4)2 and cyclen. X-ray diffraction studies on complexes 1, 2, and 3 show that they are stabilized by a short Pt→Cd donor acceptor bond and, additionally, in complex 2 the Cd center is also coordinated to the Cα of one of the two alkynyl groups. In contrast, treatment of the binuclear compound [NBu4]2-[Pt 2(μ-Cl)2(C6F5)4] with [Cd(cyclen)(MeOH)2](ClO4)2 afforded the tetranuclear derivative [Pt(C6F5)2Cl(μ-Cl) Cd(cyclen)]2 (4) (X-ray), in which Pt and Cd atoms are connected by a μ3-Cl bridging ligand, and the binuclear cadmium complex [Cd 2(μ-Cl)2(cyclen)2](ClO4) 2 (5) (X-ray), in which two "Cd(cyclen)" fragments are bridged by two chlorine atoms. The photoluminescent properties of complexes 1-3 have also been examined and compared with those of their corresponding anionic parent compounds [NBu4]2[Pt(C6F 5)4], [PMePh3]2[Pt(C 6F5)2(C≡CPh)2], and [NBu 4][Pt(C6F5)2(bzq)] (6).