Abstract
The crystal structures of complexes of α-cyclodextrin (cyclohexaamylose) with Li+–and Cd2+-polyiodide have been analysed by single crystal X-ray methods. The molecules are arranged head to head and linked by hydrogen bonds yielding endless stacks with channel cavities of about 5 Å diameter in which the iodine chains are located. In the Li+ complex, the polyiodide chain is slightly zigzagged.
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Noltemeyer, M., Saenger, W. X-ray studies of linear polyiodide chains in α-cyclodextrin channels and a model for the starch-iodine complex. Nature 259, 629–632 (1976). https://doi.org/10.1038/259629a0
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DOI: https://doi.org/10.1038/259629a0
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