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Polyporous Metal-Coordination Frameworks

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posted on 16.03.2012, 00:00 by Jeremiah J. Gassensmith, Ronald A. Smaldone, Ross S. Forgan, Christopher E. Wilmer, David B. Cordes, Youssry Y. Botros, Alexandra M. Z. Slawin, Randall Q. Snurr, J. Fraser Stoddart
Starting from a chiral building blockα-cyclodextrinand rubidium salts, the crystallization of a complex of chiral helices, which constitute a “green” porous coordination polymer, has been realized. Cyclodextrin molecules coordinated by rubidium ions form porous, infinitely long left-handed helical channels, interdigitated with each other. A theoretical examination of the potential of this new material to act as a medium for chiral separation is presented.