Stability of carbon clusters CN for 46 ≤ N ≤ 102

P. E. Barran, S. Firth, A. J. Stace, H. W. Kroto, K. Hansen, E. E.B. Campbell

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Relative binding energies for C+N-2-C2 have been determined for fullerene ions in the range 46 ≤ N ≤ 102. The values were derived from metastable fractions observed in a time-of-flight reflectron mass spectrometer. The timescale of the experiments was such that radiative cooling of the fullerene ions did not play an important role thus simplifying the data analysis. The results are compared with previous values of relative dissociation energies for C2 loss given in the literature. It was found that the relative C2 dissociation energies for large fullerenes (N > 60) are significantly higher than previously estimated.

Original languageEnglish
Pages (from-to)127-133
Number of pages7
JournalInternational Journal of Mass Spectrometry and Ion Processes
StatePublished - 1997

Bibliographical note

Funding Information:
Financial support from the EU through HCM Network "Formation, Stability and Photophysics of Fullerenes", the ERSRC and the Royal Society is gratefully acknowledged.


  • Dissociation energies
  • Fullerenes
  • Metastable fragmentation


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