Issue 13, 2007
From the journal:

Chemical Communications

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

Markus Wahl,a   Meike Stöhr,*a   Hannes Spillmann,a   Thomas A. Jung*b  and  Lutz H. Gade*c  

* Corresponding authors

a NCCR Nanoscale Science and Institute of Physics, University of Basel, Klingelbergstr. 82, 4056 Basel, Switzerland
E-mail: meike.stoehr@unibas.ch

b Laboratory for Micro- and Nanostructures, Paul-Scherrer-Institute, 5232 Villigen, Switzerland
E-mail: thomas.jung@psi.ch

c Anorganisch-Chemisches Institut, Universität Heidelberg, Im Neuenheimer Feld 270, 69120 Heidelberg, Germany
E-mail: lutz.gade@uni-hd.de

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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Article information

DOI
https://doi.org/10.1039/B700909G
Article type
Communication
Submitted
19 Jan 2007
Accepted
15 Feb 2007
First published
27 Feb 2007

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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