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Novel CpAg(I)-Containing Organometallic Coordination Polymers Generated from Fulvene Ligands

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journal contribution
posted on 29.03.2004, 00:00 by Yu-Bin Dong, Guo-Xia Jin, Xia Zhao, Bo Tang, Ru-Qi Huang, Mark D. Smith, K. E. Stitzer, Hans-Conrad zur Loye
Two new fulvene ligands, L1 and L2, have been synthesized by an aroylation reaction of the cyclopentadienyl anion. The coordination chemistry of L1 and L2 was investigated. Two novel CpAg(I)-containing polymeric compounds, 1 ([Ag4(L1)2(μ-H2O)2(SO3CF3)4]·(μ-bis-η1-C6H6))·H2O) and 2 ([Ag2(L2)(H2O)(SO3CF3)2]·0.5(C6H6)), have been synthesized. Compounds 1 and 2 have been fully characterized by infrared spectroscopy, elemental analysis, and single-crystal X-ray diffraction. The solid state structure of 1 features a macro-ring-containing one-dimensional chain motif. The solid state structure of 2 features a one-dimensional double-chain motif. These double chains are further cross-linked to each other via CpAg(SO3CF3)2AgCp (Ag···Ag contact of 4.215(15) Å) linkage into a novel 2-D network with large cavities (effective cross-section of ca. 21 × 9 Å), in which the benzene guest molecules are located.