Guided‐ion‐beam mass spectrometry is used to examine the kinetic‐energy dependence of the reaction of ground‐state atomic carbon ion with molecular nitrogen. Integral reaction cross sections are measured for the three possible product channels: and all strongly endothermic. Thresholds for all three channels are found to be consistent with literature thermochemistry, although formation of is inefficient near threshold. The observed behavior suggests that the state of is either the ground state or within 0.14 eV of the ground state, and that is formed primarily in its first excited state rather than the ground state. The thermochemistry measured here finds kcal/mol, and The reaction mechanism for this system is explored by examination of the electronic state correlations and by phase‐space calculations.
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1 February 1991
Research Article|
February 01 1991
Kinetic‐energy dependence of the reactions of from threshold to 28 eV CM
J. D. Burley;
J. D. Burley
Department of Chemistry, University of California, Berkeley, California 94720
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L. S. Sunderlin;
L. S. Sunderlin
Department of Chemistry, University of Utah, Salt Lake City, Utah 84112
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P. B. Armentrout
P. B. Armentrout
Department of Chemistry, University of Utah, Salt Lake City, Utah 84112
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J. Chem. Phys. 94, 1939–1946 (1991)
Article history
Received:
October 05 1990
Accepted:
November 06 1990
Citation
J. D. Burley, L. S. Sunderlin, P. B. Armentrout; Kinetic‐energy dependence of the reactions of from threshold to 28 eV CM. J. Chem. Phys. 1 February 1991; 94 (3): 1939–1946. https://doi.org/10.1063/1.459915
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