Self-assembly of silver polymers based on flexible isonicotinate ligand at different pH values: syntheses, structures and photoluminescent properties |
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Authors: | Feng-Tong Xie Hai-Ying Bie Guang-Hua Li Ji-Qing Xu |
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Affiliation: | a State Key Laboratory of Inorganic Synthesis and Preparative Chemistry, College of Chemistry, Jilin University, Changchun 130023, PR China b The Institute of Products Quality and Metrology Inspection of Tongliao City, Tong liao, 028000, China |
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Abstract: | Two interesting coordination polymers, [Ag8(IN)6(NO3)2] 1 and [Ag(IN)(HIN)]1/2 [Ag(IN)] 2 (HIN=isonicotinic acid) have been synthesized hydrothermally at different pH values. 1 crystallizes in the triclinic space group P-1, with , , , α=75.87(3)°, β=80.87(3)°, γ=76.50(3)°, and Z=2. Compound 1 is the first example of a bilayer framework, in which both single layers are connected by the bond interactions (Ag-O) between Ag from two two-dimensional (2D) single layers generated by the A building block and O atoms from one-dimensional (1D) chain constructed by the B building block, in which coordination modes of IN were reported for the first time. 2 crystallizes in the monoclinic space group P2(1)/c, with , , , β=92.90(3)°, V=1185.0(4) and Z=4. Compound 2 exhibits a 2D plywood-like structure assembled by hydrogen bonds and weak Ag-O interactions. |
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Keywords: | Hydrothermal synthesis Silver Isonicotinic acid Coordination polymers Fluorescence |
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