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Issue 13, 2007
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Rotation–libration in a hierarchic supramolecular rotor–stator system: Arrhenius activation and retardation by local interaction

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Abstract

Fourfold symmetric zinc-octaethylporphyrin (OEP) has been incorporated in the holes of the hexagonal molecular network generated by thermal dehydrogenation of 4,9-diaminoperylene-quinone-3,10-diimine (DPDI) on a Cu(111) surface and displayed hindered rotation; the reorganization between the potential minima, a rotation–libration, which is characterized by an activation energy of ED = 0.17 ± 0.03 eV, has been monitored in the STM tunnelling currents as a bi-state “switching”.

Graphical abstract: Rotation–libration in a hierarchic supramolecular rotor–stator system: Arrhenius activation and retardation by local interaction

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Publication details

The article was received on 19 Jan 2007, accepted on 15 Feb 2007 and first published on 27 Feb 2007


Article type: Communication
DOI: 10.1039/B700909G
Citation: Chem. Commun., 2007, 1349-1351
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    Rotation–libration in a hierarchic supramolecular rotor–stator system: Arrhenius activation and retardation by local interaction

    M. Wahl, M. Stöhr, H. Spillmann, T. A. Jung and L. H. Gade, Chem. Commun., 2007, 1349
    DOI: 10.1039/B700909G

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