Anicich, Vincent G. and Blake, Geoffrey A. and Kim, Jhong K. and McEwan, Murray J. and Huntress, Wesley T., Jr. (1984) Ion-Molecule Reactions in Unsaturated Hydrocarbons: Allene, Propyne, Diacetylene, and Vinylacetylene. Journal of Physical Chemistry, 88 (20). pp. 4608-4617. ISSN 0022-3654 . https://resolver.caltech.edu/CaltechAUTHORS:20120919-155049803
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Abstract
Ion-molecule reactions in allene, propyne, diacetylene, and vinylacetylene (1-buten-3-yne) have been studied at near-thermal energies by the technique of ion cyclotron resonance mass spectrometry. Rate coefficients and branching ratios are reported for the reactions of C_3H^+_n (n = 1-4) with allene and propyne and for the reactions of C_4H^+_n (n = 0-5) with diacetylene and vinylacetylene. Branching ratios are also given for the reactions of C_4H^+_n, C_5H_n, and C_6H^+_n with propyne and for reactions of C_6H^+_n with diacetylene and vinylacetylene. More than 90% of the reactive channels lead to product ions having a larger carbon skeleton than the reactant ion. Evidence for ions with the same m/e ratio having differing reactivities was obtained for C_3H^+_3, C_6H^+_7, and C_7H^+_7. Ion reaction sequences in allene and propyne were followed at higher pressures (l0^(-4) torr) to investigate secondary, tertiary, and higher order processes.
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| Additional Information: | © 1984 American Chemical Society. Received: August 16, 1983; In Final Form: May 23, 1984. This paper presents the results of one phase of research carried out at the Jet Propulsion Laboratory, California Institute of Technology, under Contract No. NAS 7-918, sponsored by the National Aeronautics and Space Administration. | |||||||||
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| Issue or Number: | 20 | |||||||||
| Record Number: | CaltechAUTHORS:20120919-155049803 | |||||||||
| Persistent URL: | https://resolver.caltech.edu/CaltechAUTHORS:20120919-155049803 | |||||||||
| Official Citation: | Ion-molecule reactions in unsaturated hydrocarbons: allene, propyne, diacetylene, and vinylacetylene Vincent G. Anicich, Geoffrey A. Blake, Jhong K. Kim, Murray J. McEwan, and Wesley T. Huntress Jr. The Journal of Physical Chemistry 1984 88 (20), 4608-4617 | |||||||||
| Usage Policy: | No commercial reproduction, distribution, display or performance rights in this work are provided. | |||||||||
| ID Code: | 34240 | |||||||||
| Collection: | CaltechAUTHORS | |||||||||
| Deposited By: | Aucoeur Ngo | |||||||||
| Deposited On: | 19 Sep 2012 23:58 | |||||||||
| Last Modified: | 03 Oct 2019 04:17 |
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