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The Very low-pressure pyrolysis of 2-phenylethylamine. The enthalpy of formation of the aminomethyl radical

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. http://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.


Item Type:Article
Related URLs:
URLURL TypeDescription
http://dx.doi.org/10.1002/kin.550090213DOIArticle
http://onlinelibrary.wiley.com/doi/10.1002/kin.550090213/abstractPublisherArticle
ORCID:
AuthorORCID
Colussi, A. J.0000-0002-3400-4101
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.
Funders:
Funding AgencyGrant Number
NSFMPS 74-18565
Environmental Protection Agency (EPA)R 802288
Record Number:CaltechAUTHORS:20150731-095056608
Persistent URL:http://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:13 Feb 2019 18:06

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