Journal
CRYSTENGCOMM
Volume 13, Issue 10, Pages 3325-3329Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c1ce05103b
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Funding
- National Natural Science Foundation of China [20971029]
- Guangxi Natural Science Foundation [2010GXNSFD013018, 2010GXNSFF013001]
- Natural Science Foundation of the Education Committee of Guangxi Province [201010LX074]
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A new coordination polymer associated with cobalt ion, [Co-3(Tda)(3)(bpp)(2)].2DMF (1, Tda = thiophene-2,5-dicarboxylic acid, bpp 1,3-bis(4-pyridyl) propane, DMF = dimethylformamide), was prepared under solvothermal conditions, and characterized by the single-crystal X-ray diffraction, element analysis, and IR spectra. Each Tda is coordinated to four Co-II ions with mu(4)-kappa O : kO' : kO '', kO'''-mu(2) coordination mode and each bpp ligand is ligated to two Co-II ions with anti-anti bridging mode in 1. Each cobalt(II) trimer is connected to eight adjacent Co-3 units via four Tda and four bpp ligands reduced to a uninodal 8-connected topology. Sorption studies conducted on this permanently microporous material imply that it can separate carbon dioxide from nitrogen and methane with high selectivity.
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