Three novel coordination polymers incorporating overlapped 0D Zn units, 1D zigzag Co chains and 2D interlocking 24-member Mn rings — Syntheses,structures and properties |
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| Authors: | Yang-Mei Liu Yan-Yan Xu Jian-Guo Lin Fang-Ming Wang Chang-Sheng Lu Qing-Jin Meng |
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| Affiliation: | 1. Coordination Chemistry Institute, State Key Laboratory of Coordination Chemistry, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210093, China;2. Key Laboratory Nuclear Medicine, Ministry of Health, Jiangsu Institute of Nuclear Medicine, Wuxi 214063, China |
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| Abstract: | Three new interesting coordination polymers, Zn(PDCO)(H2O)·H2O]n (1), Co(PDCO)(H2O)3]n (2) and Mn(PDCO)(H2O)2]n (3), (H2PDCO = pyridine-2,4-dicarboxylic acid N-oxide), have been prepared under hydrothermal conditions and structurally characterized. Polymer 1 exhibits 0D Zn units, polymer 2 features 1D infinite zigzag Co chains. In polymer 3, four Mn atoms and four PDCO ligands form a 24-member ring and these rings are interlocked to form a 2D infinite layer. Compounds 1–3, with systematic variation in dimensionality from 0D to 1D to 2D, are the first examples of metal coordination polymers into which pyridine-2,4-dicarboxylic acid N-oxide has been introduced. In addition, the photoluminescent properties of 1 as well as the magnetic behavior of 2 have been investigated. |
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