Transition metal coordination polymers with flexible dicarboxylate ligand: Synthesis, characterization, and photoluminescence property
Peipei CUI, Xin LI, Yilin CHEN, Zhilin CHENG, Feiyan GAO, Xu GUO, Wenning YAN, Yuchen DENG
【无机化学学报】doi: 10.11862/CJIC.20240234
Under solvothermal conditions, six new coordination polymers (CPs) [Mn(L) (phen) (H2O)]n (1), [Co(L) (phen)(H2O)]n (2), [Cu(L)(phen)(H2O)]n (3), [Zn2(L)2(phen)2(H2O)]n (4), [Zn(L)(phen)]n (5), and [Cd(L)(phen)2]n (6) were synthesized by reactions of dicarboxylate ligand 2, 2'-(1, 2-phenylenebis(methylene))bis(sulfanediyl)dinobutyric acid (H2L) and 1, 10-phenanthroline (phen) with the corresponding metal salts. Complexes 1-6 have been structurally characterized by single-crystal X-ray diffraction analyses, elemental analysis, IR, thermogravimetric analysis, and powder X-ray diffraction. The structures of 1-6 are 1D chains, which are further connected by hydrogen bonding interactions to form 3D supramolecular structures. Among them, 1 and 2 are isomorphic with L2- of syn-conformation, while L2- shows anti-conformation in 3-6. In addition, the solid-state photoluminescence property of 4-6 was investigated.
关键词: flexible dicarboxylate ligand, coordination polymers, hydrogen bonding interaction, conformation, photoluminescence property

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