期刊
INORGANIC CHEMISTRY
卷 59, 期 9, 页码 6047-6052出版社
AMER CHEMICAL SOC
DOI: 10.1021/acs.inorgchem.0c00022
关键词
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资金
- NSFC [21731007, 21821003, 21701191]
- Guangdong Pearl River Talents Program [2017BT01C161]
- Fundamental Research Funds for the Central Universities [18lgpy42]
Solvothermal reactions of 3-(3-methylpyridin-4-yl)benzoic acid (Hmpba) with Mn(NO3)(2) or Co(NO3)(2) yielded isostructural porous coordination polymers, [Mn(mpba)(2)].guest (MCF-56, 1.g) and [Co(mpba)(2)].guest (MCF-57, 2.g), respectively. X-ray diffraction revealed that IT and 2.g possess similar one-dimensional ultramicroporous channels, and guest-free [Mn(mpba)(2)] (1') and [Co(mpba)(2)] (2') possess significantly and slightly contracted channels, respectively. Single-component C3H6/C3H8 adsorption isotherms and computational simulations showed the typical nonporous-to-porous structural transformations for 1 in which C3H6 exhibits a significantly lower threshold pressure, and the typical small-pore-tolarge-pore structural transformations for 2', in which C3H6 exhibits a slightly lower threshold pressure. Mixture column breakthrough experiments showed that the C3H6/C3H8 separation performances of 2' are obviously better than those of 1', because the latter cannot adsorb C3H6 below the threshold pressure for pore opening, C3H8. and the pore opened by C3H6 can adsorb C3H8.
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