Rate constants have been measured from 300 to 1400 K in a selected ion flow tube (SIFT) and a high temperature flowing afterglow for the reactions of and with NO. In all of the systems, the rate constants are substantially less than the collision rate constant. Comparing the high temperature results to kinetics studies as a function of translational energy show that all types of energy (translational, rotational, and vibrational) affect the reactivity approximately equally for all three ions. Branching ratios have also been measured at 300 and 500 K in a SIFT for the and reactions. An increase in the product at the expense of nondissociative charge transfer product occurs at 500 K with The branching ratios for the reaction of with NO have also been measured in the SIFT, showing that only nondissociative charge transfer giving occurs up to 500 K. The current results are discussed in the context of the many previous studies of these ions in the literature.
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8 October 2004
Research Article|
October 08 2004
Reactions of and with NO from 300 to 1400 K
Anthony J. Midey;
Anthony J. Midey
Air Force Research Laboratory, Space Vehicles Directorate, Hanscom Air Force Base, Massachusetts 01731-3010
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Thomas M. Miller;
Thomas M. Miller
Air Force Research Laboratory, Space Vehicles Directorate, Hanscom Air Force Base, Massachusetts 01731-3010
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A. A. Viggiano
A. A. Viggiano
Air Force Research Laboratory, Space Vehicles Directorate, Hanscom Air Force Base, Massachusetts 01731-3010
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J. Chem. Phys. 121, 6822–6829 (2004)
Article history
Received:
June 23 2004
Accepted:
July 21 2004
Citation
Anthony J. Midey, Thomas M. Miller, A. A. Viggiano; Reactions of and with NO from 300 to 1400 K. J. Chem. Phys. 8 October 2004; 121 (14): 6822–6829. https://doi.org/10.1063/1.1792232
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