Abstract

AbstractThe preparation of a 3:1 complex of hydroquinone (HQ) and C60, (HQ)3C60, is reported and its X‐ray crystal structure described. The HQ host builds up a single H‐bonded super‐polonium network with super‐cubes as building blocks, which accommodate the large C60 guest molecules. The enclathration of C60 is rather tight (high density of the complex) owing, in part, to favorable charge‐transfer host‐guest interactions (π‐donor‐acceptor complex). Nonetheless, the C60 molecules arc orientationally disordered, and no individual bond lengths could be measured. In contrast, the HQ host network is essentially ordered and well‐defined with normal intramolecular geometry. No appreciable (powder) conductivity could be observed for (HQ)3C60, yet ESR spectra of single crystals showed interesting narrow signals.

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