Spontaneous and Selective CO<sub>2</sub> Sorption under Ambient Conditions in Seemingly Nonporous Molecular Crystal of Azacalix[5]arene Pentamethyl Ether
收藏NIAID Data Ecosystem2026-03-06 收录
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Described are the syntheses, crystal structures, and solid−gas adsorption behaviors of azacalix[4]arene tetramethyl ether and azacalix[5]arene pentamethyl ether. While the former compound exhibited no adsorption of four main atmospheric components, the latter selectively and rapidly adsorbed CO2 at ambient temperature and pressure. X-ray crystallographic and potential energy distribution analysis revealed that azacalix[5]arene created an energetically favorable space for CO2 in its seemingly nonporous crystal, leading to the observed selective CO2 uptake under ambient conditions.
创建时间：
2016-02-23
