title: Electron-deficient η1-Indenyl,η3-allylpalladium(II) complexes stabilized by fluxional non-covalent interactions.
abstract: Highly fluxional, solution-persistent, and formally electron-deficient (32e(-)) binuclear Pd(II)-C(0) complexes of 2-methyl-1H-indene were synthesized and structurally characterized by X-ray diffraction analysis. DFT investigations combined with a number of theoretical analyses of the bond framework suggest that the polar intermetallic interaction possesses no major covalent character. Instead of bearing a static metal-metal bond as suggested by structural X-ray diffraction analysis, the complexes display in solution significant fluxionality through haptotropy, i.e., a formal "oscillation" of the Pd(η(3)-allyl) moiety between two limiting η(1)-indenyl configurations.
authors: Institut de Chimie, Université de Strasbourg, 4 rue Blaise Pascal, F-67070 Strasbourg, France.
authors: Christophe
authors: C
authors: Werlé
authors: Mustapha
authors: M
authors: Hamdaoui
authors: Corinne
authors: C
authors: Bailly
authors: Xavier-Frédéric
authors: XF
authors: Le Goff
authors: Lydia
authors: L
authors: Brelot
authors: Jean-Pierre
authors: JP
authors: Djukic
mesh_terms: D002857:Chromium / Q000737:chemistry*; D056831:Coordination Complexes / Q000138:chemical synthesis / Q000737:chemistry*; D018360:Crystallography, X-Ray; D007192:Indenes / Q000737:chemistry*; D008958:Models, Molecular; D015394:Molecular Structure; D010165:Palladium / Q000737:chemistry*; D011789:Quantum Theory
chemical_list: D056831:Coordination Complexes; D007192:Indenes; D002857:Chromium; D010165:Palladium