Abstract:
:Dynamics of molecules in the solid state holds promise for connecting molecular behaviors with properties of bulk materials. Solid-state dynamics of [60]fullerene (C60) is controlled by intimate intermolecular contacts and results in restricted motions of a ratchet phase at low temperatures. Manipulation of the solid-state dynamics of fullerene molecules is thus an interesting yet challenging problem. Here we show that a tubular host for C60 liberates the solid-state dynamics of the guest from the motional restrictions. Although the intermolecular contacts between the host and C60 were present to enable a tight association with a large energy gain of -14 kcal mol-1, the dynamic rotations of C60 were simultaneously enabled by a small energy barrier of +2 kcal mol-1 for the reorientation. The solid-state rotational motions reached a non-Brownian, inertial regime with an extremely rapid rotational frequency of 213 GHz at 335 K.
journal_name
Nat Communjournal_title
Nature communicationsauthors
Matsuno T,Nakai Y,Sato S,Maniwa Y,Isobe Hdoi
10.1038/s41467-018-04325-2subject
Has Abstractpub_date
2018-05-15 00:00:00pages
1907issue
1issn
2041-1723pii
10.1038/s41467-018-04325-2journal_volume
9pub_type
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