Topologies of Metal-Organic Frameworks Based on Pyrimidine-5-carboxylate and Unexpected Gas-Sorption Selectivity for CO2
- Authors
- Seo, Jinwoo; Jin, Narae; Chun, Hyungphil
- Issue Date
- Dec-2010
- Publisher
- American Chemical Society
- Citation
- Inorganic Chemistry, v.49, no.23, pp.10833 - 10839
- Indexed
- SCIE
SCOPUS
- Journal Title
- Inorganic Chemistry
- Volume
- 49
- Number
- 23
- Start Page
- 10833
- End Page
- 10839
- URI
- https://scholarworks.bwise.kr/erica/handle/2021.sw.erica/39289
- DOI
- 10.1021/ic1012523
- ISSN
- 0020-1669
- Abstract
- 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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