Crystal Structure of an Octanuclear Sandwich Cluster of Silver(I) and 4,4′-Bis(2,5-dimethylstyryl)biphenyl†
Gui-Ling Ning
Department of Chemistry, Huazhong University of Science and Technology, Wuhan 430074, China
Search for more papers by this authorXiong-Fu Zhang
Department of Chemistry, Huazhong University of Science and Technology, Wuhan 430074, China
Search for more papers by this authorHisashi Konaka
Department of Chemistry, Huazhong University of Science and Technology, Wuhan 430074, China
Search for more papers by this authorMegumu Munakata
Department of Chemistry, Huazhong University of Science and Technology, Wuhan 430074, China
Search for more papers by this authorGui-Ling Ning
Department of Chemistry, Huazhong University of Science and Technology, Wuhan 430074, China
Search for more papers by this authorXiong-Fu Zhang
Department of Chemistry, Huazhong University of Science and Technology, Wuhan 430074, China
Search for more papers by this authorHisashi Konaka
Department of Chemistry, Huazhong University of Science and Technology, Wuhan 430074, China
Search for more papers by this authorMegumu Munakata
Department of Chemistry, Huazhong University of Science and Technology, Wuhan 430074, China
Search for more papers by this authorAbstract
Reaction of the oligo(phenylenevinylene) 4,4′-bis(2,5-dimethylstyryl)biphenyl (bdb) with CF3CO2Ag in benzene gave a novel octanuclear sandwich cluster [Ag8(bdb)2(C6H6)2(CF3CO2)8]·2C6H6 (1). The clusters are packed on each other through strong π-π interactions to form 1D ′brick′ chains, between which the solvated benzene molecules are located. TG analysis showed that cluster 1 could completely liberate the guest benzene molecules at 105 °C and the coordinated benzene molecules at 180 °C. In solid state, cluster 1 exhibits fluorescence, and the emission band is red-shifted compared with that of free ligand bdb.
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