Abstract
Dianin's compound(4-p-hydroxyphenyl-2,2,4-trimethyl chroman) forms isostructural clathrates and a clathrand which can be systematically studied to determine the microscopic origins of bulk physical properties. Due to the large number of guests that can be enclathrated in the Dianin's system, experiments in which systematic changes of guest size and functionality can be used to probe guest–host interactions. Herein we report the structures for the1,6-hexanediol, 1,5-pentanediol, and 1-heptanol Dianin's clathrates deduced by X-ray crystallography. In the hexanediol, pentanediol, and heptanol clathrates, the guests' hydroxyl groups hydrogen bond with the host cage's hydrogen-bonded hexamer ring.The two terminal alcohol groups in the diols have different spatial orientations within the cage that result from gauche bonds between atoms in the guest's backbone.
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