A hybrid carboxylate-water decamer with a discrete octameric water moiety self-assembled in a 2D copper(II) coordination polymer |
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| Authors: | GengGeng Luo DongLiang Wu Li Liu DongXu Li QingHua Zhao ZiJing Xiao JingCao Dai |
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| Affiliation: | 1. Institute of Materials Physical Chemistry, College of Materials Science & Engineering, Huaqiao University, Xiamen, 361021, China
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| Abstract: | ![]()
An octameric water moiety which consists of a chairlike water hexamer and two pendent water molecules in the 1,4-diaxial positions and shows a similar structure to the hydrocarbon (1r,4r)-1,4-dimethylcyclohexane, is unambiguously trapped in a 2D Cu(II) mixed-ligand coordination polymer, {[Cu2(bpp)2(H2O)2(bpda)2]·6H2O} n (1) (bpp = 1,3-bis(4-pyridyl)propane and H2bpda = 2,2??-biphenyldicarboxylic acid). The water octamer can be extended into a hybrid carboxylate-water decamer when carboxylic oxygen atoms from bpda2? are involved. Interestingly, the present hybrid decamer bears a similar structural topology to a butterfly (H2O)10 cluster. The reversible dehydration/hydration of 1 is determined by X-ray powder diffraction studies. |
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| Keywords: | water octamer hybrid carboxylate-water decamer dehydration-rehydration helical chains |
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