期刊
INORGANIC CHEMISTRY
卷 49, 期 23, 页码 10833-10839出版社
AMER CHEMICAL SOC
DOI: 10.1021/ic1012523
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资金
- Ministry of Education, Science and Technology [2009-0087194]
- National Research Foundation of Korea [2009-0087194] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
A simple and multitopic ligand, pyrimidine-5-carboxylate (pmc), has been used to obtain a series of metal organic frameworks (MOFs) based on Co2+, Cd2+, and Cu2+. The networks possess well-defined topologies of body-centered-cubic, rutile, and interpenetrated NbO structures, respectively. Among those, [Cu(pmc)(2)] possesses a permanent porosity resulting from straight one-dimensional channels of 5.5 angstrom free passages. Unexpectedly, this porous MOF displays a highly selective sorption behavior for CO2, and the sorptions of N-2, Ar, O-2, H-2, and CH4 at two different temperatures are found to be negligible. The results of diffraction and spectroscopic analyses exclude framework dynamics or incomplete evacuation as the origin of the gas-sorption selectivity.
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