Issue 45, 2008
From the journal:

Physical Chemistry Chemical Physics

IR spectroscopy of gas-phase C60−

Peter Kupser,a   Jeffrey D. Steill,b   Jos Oomens,b   Gerard Meijera  and  Gert von Helden*a  

* Corresponding authors

a Fritz-Haber-Institut der Max-Planck-Gesellschaft, Faradayweg 4-6, Berlin, Germany
E-mail: helden@fhi-berlin.mpg.de

b FOM Institute for Plasma Physics Rijnhuizen, Edisonbaan 14, MN Nieuwegein, The Netherlands

Abstract

We present the IR spectrum of the gas-phase C60− anion. The C60− anions are mass-selected and trapped in an ion cyclotron mass spectrometer cell. The spectrum is obtained by recording the yield of electrons following infrared multiple photon absorption and subsequent electron detachment of the anions. Two bands are observed that correlate to two of the four IR-allowed transitions in neutral C60. The results show that the higher frequency band is strongly shifted from its position in neutral C60 and is a sensitive marker for the charge state. The band positions and intensities are compared to results obtained by theory as well as to known bands in solid samples and good agreement is found.

Graphical abstract: IR spectroscopy of gas-phase C60−

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Article information

DOI
https://doi.org/10.1039/B811862K
Article type
Paper
Submitted
11 Jul 2008
Accepted
03 Sep 2008
First published
09 Oct 2008

Phys. Chem. Chem. Phys., 2008,10, 6862-6866

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IR spectroscopy of gas-phase C60−

P. Kupser, J. D. Steill, J. Oomens, G. Meijer and G. von Helden, Phys. Chem. Chem. Phys., 2008, 10, 6862 DOI: 10.1039/B811862K

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