| 摘 要： | The bis-benzimidazolium salt bis[2-(N-ethylbenzimidazoliumyl)ethyl]amine hexafluorophosphate(LH_2·(PF_6)_2) and its N-heterocyclic carbene silver(Ⅰ) complex[L_2Ag_3](PF_6)_3(1)have been prepared and characterized.In complex 1,a trinuclear silver(Ⅰ) architecture is formed by two tridentate ligands and three silver(I) atoms,in which one 12- and two 7-membered rings are contained.In the crystal packing of 1,1D chain and 2D supramolecular layer are formed via intermolecular weak interactions,including π…π interactions and C-H…π contacts.Additionally,the fluorescence emission spectra of LH_2-(PF_6)2 and 1 are described.
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