Crystal Flexibility Design through Local and Global Motility Cooperation
Crystal Flexibility Design through Local and Global Motility Cooperation
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通过本地和全球动力合作实现水晶灵活性设计
DOI：
10.1002/ange.202015257
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发表时间：
2021
影响因子：
--
通讯作者：
Kitagawa Susumu
中科院分区：
文献类型：
--
作者：
Wang Ping;Otake Ken‐ichi;Hosono Nobuhiko;Kitagawa Susumu
将局部迁移率结合到一个灵活的框架中，有望创造出传统软多孔性晶体无法达到的协同性能。在这项研究中，我们提出了一种通过骨架内π-π相互作用将取代基部分与灵活的多孔晶体骨架相结合的设计策略。这种集成不仅促进了骨架结构的转变，而且还使多孔性配位聚合物(PCP)具有不同的无客体结构，这取决于活化条件。结合的灵活性使该材料能够根据不同的开门行为区分C6烷烃异构体。因此，PCP在C6异构体分离方面具有潜在的应用前景，C6异构体分离是生产高辛烷值汽油的石油精炼过程中的关键步骤。这种基于配基可设计性的策略为柔性PCP的结构和功能设计提供了一种新的途径。
Incorporating local mobility into a flexible framework promises to create cooperative properties unattainable in a conventional soft porous crystal. In this study, we propose a design strategy that integrates substituent moieties and a flexible porous crystal framework via intra‐framework π–π interactions. This integration not only facilitates framework structural transitions but also gives the porous coordination polymers (PCPs) different guest‐free structures that depend on the activation conditions. The incorporated flexibility gives the material the ability to discriminate C6 alkane isomers based on different gate‐opening behaviors. Thus, the PCP has potential applications in C6 isomer separation, a critical step in the petroleum refining process to produce gasoline with high octane rating. This strategy, based on ligand designability, offers a new approach to flexible PCP structural and functional design.