Influence of water content on the self-assembly of metal-organic frameworks based on pyridine-3,5-dicarboxylate

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题名:	Influence of water content on the self-assembly of metal-organic frameworks based on pyridine-3,5-dicarboxylate
作者:	Lu YL;Wu JY;Chan MC;Huang SM;Lin CS;Chiu TW;Liu YH;Wen YS;Ueng CH;Chin TM;Hung CH;Lu KL
贡献者:	化學系
日期:	2006
上传时间:	2009-11-20 15:07:01 (UTC+8)
摘要:	A OD discrete molecule [Co(3,5-pdc)(H2O)(5)]center dot 2H(2)O (1) was obtained in quantitative yield from the reaction Of CoCl2 center dot 6H(2)O and pyridine-3,5-dicarboxylate (3,5-pdc) in pure water solvent at ambient temperature. While a 1D zigzag chain species, [{Co(3,5-pdc)(H2O)(4)}center dot H2O](n) (2), was produced in a water-rich environment, a 2D layer compound, [Co(3,5-pdc)(H2O)21, (3), with a 6(3) topology Was generated under a water-reduced condition and a 2D sheet structure, [{Cu(3,5-pdc)(py)(2)}center dot H2O-EtOH](n) (4), was formed under a water-poor condition. Compounds 1, 2, and 4 were characterized by single-crystal X-ray diffraction analysis. The 1D zigzag chain 2 shows a recoverable collapsing property. Compound 4 adopts a 2D sheet structure with a 4.82 topology, observed for the first time for the 3,5-pdc-related metal-organic frameworks. Water content was found to be an important factor in determining the topologies of the products in the self-assembly of divalent metal ions (CO2+, Cu2+) and pyridine-3,5-dicarboxylate under mild conditions.
關聯:	INORGANIC CHEMISTRY Volume: 45 Issue: 6 Pages: 2430-2437
显示于类别:	[化學系所] 期刊論文

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