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Issue 28, 2007
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Cold collisions catalyse conformational conversion

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Abstract

We have determined the abundance of two different conformational structures of the mixed benzene dimer (C6H6)(C6D6) in a molecular beam, with various carrier gases. These two T-shaped conformers have a subtle zero-point energy difference of only a few cm−1, and a transition state barrier of about 64 cm−1. Nevertheless, depending on the carrier gas, the lowest energy conformer can exclusively be prepared in the molecular beam. Low-energy two-body collisions of the benzene-dimers with the carrier gas atoms are concluded to be responsible for this.

Graphical abstract: Cold collisions catalyse conformational conversion

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Publication details

The article was received on 08 Mar 2007, accepted on 15 May 2007 and first published on 08 Jun 2007


Article type: Paper
DOI: 10.1039/B703571C
Citation: Phys. Chem. Chem. Phys., 2007,9, 3786-3789
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    Cold collisions catalyse conformational conversion

    U. Erlekam, M. Frankowski, G. von Helden and G. Meijer, Phys. Chem. Chem. Phys., 2007, 9, 3786
    DOI: 10.1039/B703571C

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