Possible long-lived quartet resonance states of CO− |
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| Authors: | A Dreuw T Sommerfeld L S Cederbaum |
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| Institution: | Theoretische Chemie, Universit?t Heidelberg, D-69120 Heidelberg, Germany, DE
Theoretical Chemistry Laboratory, Oxford University, Oxford OXI 3QZ, UK, GB
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| Abstract: | Two states of CO− which are expected to live longer than the well-known 2Π shape resonance are examined and the results obtained are compared with the analogous states of the isoelectronic N2
− system. The 4Σ− and 4Π states are found to be stable with respect to dissociation. The latter state is also stable with respect to single-electron
loss to its parent neutral state. The lifetime of this state is supposed to be long, but not necessarily long enough to allow
detection in a mass spectrometer.
Received: 28 May 1998 / Accepted: 23 July 1998 / Published online: 9 October 1998 |
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| Keywords: | : Resonance states Carbon monoxide Ab initio calculations Anionic systems |
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