Letter | Published:

Ionization Potentials and the Structures of the Photo-ionization Yield Curves of Ethylene and its Halogenoderivatives

Nature volume 199, pages 11791180 (21 September 1963) | Download Citation

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Abstract

THE problem of interpreting the differences between ionization potentials obtained by electron (E.I.) and by photon impact (P.I.) has led us to a careful examination of the structures occurring in the photo-ionization yield curves of cis and trans dichloro- and dibromoethylenes1–3. The regularly spaced structures found in these curves have been interpreted in terms of vibrational progressions involving the C—C valence vibrations of the ions.

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References

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    , Bull. Acad. Roy. Belg., Cl. Sci., 46, 686 (1960).

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    , Nature, 191, 1089 (1961).

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    , Bull. Soc. Chim. Belg., 70, 241 (1961).

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    , Nature, 165, 811 (1950).

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    , , and , J. Chem. Phys., 27, 313 (1957).

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Author information

Affiliations

  1. Centre de Spectrométrie de Masse de l'Université de Liège.

    • J. MOMIGNY

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DOI

https://doi.org/10.1038/1991179a0

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