Two 3-D supramolecular architecture based on the linkages of Co(II) complexes and lattice water molecules |
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| Authors: | Litao An Jian Zhou Lin Zhao Youjin Lv |
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| Affiliation: | (1) Jiangsu Key Laboratory for Chemistry of Low-Dimensional Materials, College of Chemistry and Chemical Engineering, Huaiyin Noraml University, 223300 Huaian, People’s Republic of China;(2) Department of Chemistry and Biology, Yulin Normal University, 537000 Yulin, People’s Republic of China; |
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| Abstract: | Two new 3-D supramolecular compounds [Co(phen)(tdc)(H2O)3]·5H2O (1) and [Co(phen)(Htdc)(H2O)3]·(Htdc)·2H2O (2, phen = 1,10-phenanthroline, H2tdc = thiophene-2,5-dicarboxylate) have been hydrothermally synthesized and structurally characterized. In 1, the neutral [Co(phen)(tdc)(H2O)3] complexes behave as pillars to join the water layers to make an overall 3-D supramolecular architecture by H-bond interactions. In 2, similar 2-D water layer is not observed, which could be due to one uncoordinated Htdc ligand instead of three lattice water molecules of 1. The thermal stabilities of 1 and 2 were investigated by thermogravimetric measurements. |
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