Colussi, A. J. and Benson, S. W. (1977) The Very low-pressure pyrolysis of 2-phenylethylamine. The enthalpy of formation of the aminomethyl radical. International Journal of Chemical Kinetics, 9 (2). pp. 307-316. ISSN 0538-8066. doi:10.1002/kin.550090213. https://resolver.caltech.edu/CaltechAUTHORS:20150731-095056608
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Abstract
The thermal unimolecular decomposition of 2-phenylethylamine (PhCH2CH2NH2) into benzyl and aminomethyl radicals has been studied under very-low-pressure conditions, and the enthalpy of formation of the aminomethyl radicals, ΔH^°_f, 298K (H_2NCH_2^·) = 37.0 ± 2.0 kcal/mol, has been derived from the kinetic data. This result leads to a value for the C—H bond dissociation energy in methylamine, BDE(H_2NCH_2—H) = 94.6 ± 2.0 kcal/mol, which is about 3.4 kcal/mol lower than in C_2H_6 (98 kcal/mol), indicating a sizable stabilization in α-aminoalkyl radicals.
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| Additional Information: | © 1977 John Wiley & Sons. Received July 8, 1976; Revised September 22, 1976. This work was supported in part by the National Science Foundation under Grant MPS 74-18565 and by the Environmental Protection Agency under Grant R 802288. | |||||||||
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| Issue or Number: | 2 | |||||||||
| DOI: | 10.1002/kin.550090213 | |||||||||
| Record Number: | CaltechAUTHORS:20150731-095056608 | |||||||||
| Persistent URL: | https://resolver.caltech.edu/CaltechAUTHORS:20150731-095056608 | |||||||||
| Official Citation: | Colussi, A. J. and Benson, S. W. (1977), The Very low-pressure pyrolysis of 2-phenylethylamine. The enthalpy of formation of the aminomethyl radical. Int. J. Chem. Kinet., 9: 307–316. doi: 10.1002/kin.550090213 | |||||||||
| Usage Policy: | No commercial reproduction, distribution, display or performance rights in this work are provided. | |||||||||
| ID Code: | 59103 | |||||||||
| Collection: | CaltechAUTHORS | |||||||||
| Deposited By: | George Porter | |||||||||
| Deposited On: | 06 Aug 2015 21:32 | |||||||||
| Last Modified: | 10 Nov 2021 22:15 |
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