Hydrothermal Synthesis, Crystal Structures and Fluorescent Properties of Two Complexes Based on 1,2-Phenylenedioxydiacetic Acid and Polypyridyl Ligands |
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| Authors: | Leifang Liu |
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| Affiliation: | 1. Key Laboratory of Coordination Chemistry and Functional Materials in Universities of Shandong (Dezhou University), Department of Chemistry, Dezhou University, Dezhou, 253023, Shandong, People’s Republic of China
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| Abstract: | Hydrothermal reactions of flexible 1,2-phenylenedioxydiacetic acid (H2pda) with zinc nitrate or cadmium nitrate in the presence of auxiliary 4,4′-bypyridine (bpy) or 1,3-bis(4-pyridyl)propane (bpp) ligands gave rise to two coordination polymers, {[Cd2(pda)2(bpy)(H2O)2]·4H2O} n (1) and [Zn(pda)(bpp)] n (2). The polymers were characterized by elemental analysis, IR, TG, and single-crystal X-ray diffraction methods. Compound 1 shows 1D ribbon structure and compound 2 displays twofold parallel interpenetrated 2D?→?2D architecture. The different conformations of pda anions in these two compounds are mainly induced by different metal coordination configurations in compound 1 and 2. In addition, the photoluminescence emission of 1 and 2 has been investigated in the solid state at room temperature. |
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