Absorption properties of an inverted cucurbit[7]uril-based porous coordination polymer induced by [ZnCl₄]^{2 −} anions

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• 作者：Sheng-Chao Qiu^a ; Qing Li^a ; Kai Chen^b ; ^{kaichen85@nuist.edu.cn" class="auth_mail" title="E-mail the corresponding author} ; ^{catQchen@163.com" class="auth_mail" title="E-mail the corresponding author} ; Yun-Qian Zhang^a ; Qian-Jiang Zhu^a ; Zhu Tao^a ; ^{gzutao@263.net" class="auth_mail" title="E-mail the corresponding author}
• 关键词：Inverted cucurbit[7]uril ; Alkali metal cations ; Coordination ; Tetrachlorozincate anion ; Supramolecular assembly
• 刊名：Inorganic Chemistry Communications
• 出版年：2016
• 出版时间：October 2016
• 年：2016
• 卷：72
• 期：Complete
• 页码：50-53
• 全文大小：1201 K

文摘

Coordination of an inverted cucurbit[7]uril (iQ[7]) with a series of alkali cations (A⁺), revealed that iQ[7] can interact with potassium to form iQ[7]-K⁺-based porous coordination polymer in the presence of [ZnCl₄]^2 − anions as a structure directing agent. Unexpectedly, isothermal titration calorimetry revealed no obvious interaction of iQ[7] with any A⁺ cation. Moreover, the iQ[7]-K⁺-based porous coordination polymer showed selective sorption of polar volatile organics, which may have potential applications for molecular sieves, sensors, and absorption and separation processes.