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2-Propanamine

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Gas phase ion energetics data

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Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

Data evaluated as indicated in comments:
HL - Edward P. Hunter and Sharon G. Lias

Data compiled as indicated in comments:
B - John E. Bartmess
LLK - Sharon G. Lias, Rhoda D. Levin, and Sherif A. Kafafi
RDSH - Henry M. Rosenstock, Keith Draxl, Bruce W. Steiner, and John T. Herron

Quantity Value Units Method Reference Comment
Proton affinity (review)923.8kJ/molN/AHunter and Lias, 1998HL
Quantity Value Units Method Reference Comment
Gas basicity889.0kJ/molN/AHunter and Lias, 1998HL

Ionization energy determinations

IE (eV) Method Reference Comment
8.6 ± 0.1PEAue, Webb, et al., 1976LLK
8.86PEAl-Joboury and Turner, 1964RDSH
8.72 ± 0.03PIWatanabe and Mottl, 1957RDSH
9.31PEKatsumata, Iwai, et al., 1973Vertical value; LLK

Appearance energy determinations

Ion AE (eV) Other Products MethodReferenceComment
C2H6N+9.12CH3EILossing, Lam, et al., 1981LLK
C2H6N+8.86 ± 0.05CH3EISolka and Russell, 1974LLK
C3H8N+9.20HEILossing, Lam, et al., 1981LLK

De-protonation reactions

C3H8N- + Hydrogen cation = 2-Propanamine

By formula: C3H8N- + H+ = C3H9N

Quantity Value Units Method Reference Comment
Deltar1662. ± 13.kJ/molG+TSBrauman and Blair, 1971gas phase; B
Quantity Value Units Method Reference Comment
Deltar1631. ± 13.kJ/molIMRBBrauman and Blair, 1971gas phase; B

References

Go To: Top, Gas phase ion energetics data, Notes

Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

Hunter and Lias, 1998
Hunter, E.P.; Lias, S.G., Evaluated Gas Phase Basicities and Proton Affinities of Molecules: An Update, J. Phys. Chem. Ref. Data, 1998, 27, 3, 413-656, https://doi.org/10.1063/1.556018 . [all data]

Aue, Webb, et al., 1976
Aue, D.H.; Webb, H.M.; Bowers, M.T., Quantitative proton affinities, ionization potentials, and hydrogen affinities of alkylamines, J. Am. Chem. Soc., 1976, 98, 311. [all data]

Al-Joboury and Turner, 1964
Al-Joboury, M.I.; Turner, D.W., Molecular photoelectron spectroscopy. Part II. A summary of ionization potentials, J. Chem. Soc., 1964, 4434. [all data]

Watanabe and Mottl, 1957
Watanabe, K.; Mottl, J.R., Ionization potentials of ammonia and some amines, J. Chem. Phys., 1957, 26, 1773. [all data]

Katsumata, Iwai, et al., 1973
Katsumata, S.; Iwai, T.; Kimura, K., Photoelectron spectra and sum rule consideration. Higher alkyl amines and alcohols, Bull. Chem. Soc. Jpn., 1973, 46, 3391. [all data]

Lossing, Lam, et al., 1981
Lossing, F.P.; Lam, Y.-T.; Maccoll, A., Gas phase heats of formation of alkyl immonium ions, Can. J. Chem., 1981, 59, 2228. [all data]

Solka and Russell, 1974
Solka, B.H.; Russell, M.E., Energetics of formation of some structural isomers of gaseous C2H5O+ C2H6N+ ions, J. Phys. Chem., 1974, 78, 1268. [all data]

Brauman and Blair, 1971
Brauman, J.I.; Blair, L.K., Gas phase acidities of amines, J. Am. Chem. Soc., 1971, 93, 3911. [all data]


Notes

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