Abstract
The coordination compounds, [Cu2(Htba)(tba)Cl] (1) and [Ag2(Htba)(tba)(NO3)] (2), were synthesized under solvothermal conditions by using a triazolate‐carboxylate bifunctional organic ligand 4‐(4H‐1,2,4‐triazol‐4‐yl)benzoic acid (Htba). X‐ray single crystal diffraction analyses for the two complexes revealed that compounds 1 and 2 exhibit one‐dimensional (1D) chain structures with uncoordinated carboxylic groups, which are further connected by O–H···O hydrogen bonds into 3D, threefold interpenetrating supramolecular frameworks with different topologies belonging to 4‐connected and (2,4)‐connected nets with the (42·82·102)(43·62·8)2(44·62) and (125·16)(12)2 Schläfli symbols, respectively. The photoluminescent measurements reveal that both 1 and 2 exhibit bluish‐purple emissions in the solid state at room temperature. In addition, the compound 2 can serve as an antenna for sensitizing the visible‐emitting of the lanthanide cations to display their characteristic emissions.
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