Amorebieta, V. T. and Colussi, A. J. (1985) Mass spectrometric direct measurements of the vibrational relaxation of hot n-butane by SF_6 and toluene in crossed molecular beams. Journal of Physical Chemistry, 89 (22). pp. 4664-4667. ISSN 0022-3654 . https://resolver.caltech.edu/CaltechAUTHORS:20150623-154811364
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Abstract
Vibrational temperatures of hot n-butane beams before (T_(vi)) and after (T_(vf)) being deflected by nearly collinear beams of SF_6 and toluene at 300 K have been measured by mass spectrometry using low-energy electron impact ionization. For n-butane initially at 605 K a net decrease of ΔT_v = -21 ± 7 K was observed corresponding to (ΔE_v) = -230 ± 75 cm^(-1) and to a vibrational accommodation coefficient α_v = 0.18 relative to collisions in which the pool of oscillators becomes thermalized.
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| Alternate Title: | Mass spectrometric direct measurements of the vibrational relaxation of hot n-butane by sulfur hexafluoride and toluene in crossed molecular beams | |||||||||
| Additional Information: | © 1985 American Chemical Society. (Received: May 30, 1985) Generous support from CIC of Argentina is gratefully acknowledged. | |||||||||
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| Issue or Number: | 22 | |||||||||
| Record Number: | CaltechAUTHORS:20150623-154811364 | |||||||||
| Persistent URL: | https://resolver.caltech.edu/CaltechAUTHORS:20150623-154811364 | |||||||||
| Official Citation: | Mass spectrometric direct measurements of the vibrational relaxation of hot n-butane by sulfur hexafluoride and toluene in crossed molecular beams V. T. Amorebieta and A. J. Colussi The Journal of Physical Chemistry 1985 89 (22), 4664-4667 DOI: 10.1021/j100268a002 | |||||||||
| Usage Policy: | No commercial reproduction, distribution, display or performance rights in this work are provided. | |||||||||
| ID Code: | 58534 | |||||||||
| Collection: | CaltechAUTHORS | |||||||||
| Deposited By: | George Porter | |||||||||
| Deposited On: | 24 Jun 2015 21:24 | |||||||||
| Last Modified: | 03 Oct 2019 08:37 |
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