Size-Selective Sorption of Small Organic Molecules in One-Dimensional Channels of an Ionic Crystalline Organic–Inorganic Hybrid Compound Stabilized by π–π Interactions


  • This work was supported by the Core Research for Evolutional Science and Technology (CREST) program of Japan Science and Technology Agency (JST), and Grants-in-Aid for Scientific Research and The University of Tokyo Global COE Program (Chemistry through Cooperation of Science and Engineering) from the Ministry of Education, Culture, Sports, Science, and Technology (MEXT) of Japan.


original image

Very selective: The cross-sectional area of the narrowest channel opening in an organic–inorganic porous ionic crystal that possesses one-dimensional channels is around 30 Å2. The compound sorbs molecules such as propane, 1-propanol, and 1,2-dichloroethane, which have cross-sectional areas smaller than the channel opening, while n-butane, 1-butanol, and 1,2-dichloropropane are excluded (see picture).