Binuclear Pd(II) complexes with alkynyl ligands and functionalised tail-groups: Molecular and electronic structure studied by XPS and EXAFS期刊界 All Journals 搜尽天下杂志传播学术成果专业期刊搜索期刊信息化学术搜索

Binuclear Pd(II) complexes with alkynyl ligands and functionalised tail-groups: Molecular and electronic structure studied by XPS and EXAFS

Authors:	C. Battocchio I. Fratoddi R. Vitaliano M.V. Russo G. Polzonetti

Affiliation:	1. Department of Physics and Unità INSTM and CISDiC, University “Roma Tre”, Via della Vasca Navale 84, 00146 Rome, Italy;2. Department of Chemistry, University of Rome “La Sapienza”, P.le A. Moro 5, 00185 Rome, Italy

Abstract:	The binuclear transition metal dialkynyl bridged Pd(II) complexes trans,trans-[ClPd(PBu₃)₂–CC–C₆H₄–C₆H₄–CC–Pd(PBu₃)₂Cl] and trans,trans-[CH₃OC–S–Pd(PBu₃)₂–CC–C₆H₄–C₆H₄–CC–Pd(PBu₃)₂–S–COCH₃] were synthesized and investigated by X-ray Photoemission (XPS) and X-ray Absorption (XAS) spectroscopies. XPS measurements lead to assess that the thiolate terminal group does not affect dramatically the electronic structure of the transition metal, and as a consequence the two complexes are expected to possess analogous molecular structure. XAS data analysis suggested a square-planar geometry around the palladium center in both binuclear compounds.

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