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- W3139705679 abstract "The interaction of silver(I) trifluoroacetate and dppf in different molar equivalents has led to the isolation of dinuclear complexes [Ag2(μ-O2CCF3)2(μ-dppf)] (1) and [Ag2(η1-O2CCF3)2(dppf)2] (2). Treatment of 1 with excess dppf gave a coordination polymeric compound [Ag(η2-O2CCF3)(dppf)]n (3). Reaction of 1 with PMe2Ph in MeOH in the presence of NH4PF6 led to displacement of trifluoroacetate, forming the mononuclear compound [Ag(PMe2Ph)2(η2-dppf)]PF6 (4). All compounds have been characterized by microanalytical and spectroscopic analyses [IR, MS and NMR (1H, 19F and 31P{1H})] as well as X-ray diffraction studies. Molecular structures of the solvates of 1, viz. 1A (1·0.5THF) and 1B (1·0.5CH2Cl2), 2 and 3 show that they contain trifluoroacetate in bridging, monodentate and bidentate bonding modes, respectively, with dppf as a bridging co-ligand. Compound 3 is an infinite linear [−dppf−Ag−dppf−Ag−dppf−Ag−]n coordination polymer. Interestingly, 1A and 1B form two different supramolecular network structures through C−H···F and C−H···O hydrogen-bonding interactions. Such secondary bonding interactions also lead to the formation of a 3D supramolecular structure in 3. (© Wiley-VCH Verlag GmbH & Co. KGaA, 69451 Weinheim, Germany, 2004)" @default.
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- W3139705679 date "2004-01-01" @default.
- W3139705679 modified "2023-09-27" @default.
- W3139705679 title "Supramolecular structures in [Ag(dppf)] complexes [dppf=1,1 '-bis(diphenylphosphanyl)ferrocene] stabilized by coordinatively versatile trifluoroacetate (TFA) ligands" @default.
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