A supramolecular complex acting as a molecular rotor was assembled from cucurbit[7]uril and a rigid, rod-shaped molecular anchor. This rotor was then anchored to the facets of a hexagonal tris(o-phenylenedioxy)cyclotriphosphazene matrix, forming a regular 2D array. Semi-empirical calculations revealed very low rotational barriers for the macrocyclic units within this array, suggesting smooth rotational motion and promising potential for future applications in dynamic molecular systems.

Department of Chemistry and Biochemistry Ohio University Athens Ohio 45701 USA

Department of Inorganic Chemistry Faculty of Science Charles University Prague Hlavova 2030 128 40 Prague 2 Czech Republic

Department of Organic Chemistry Faculty of Science Charles University Prague Hlavova 2030 12840 Prague 2 Czech Republic

Institute of Organic Chemistry and Biochemistry of the Czech Academy of Sciences Flemingovo nám 2 160 00 Prague 6 Czech Republic

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