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Ethane, nitro-

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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
L - 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
IE (evaluated)10.9 ± 0.05eVN/AN/AL
Quantity Value Units Method Reference Comment
Proton affinity (review)765.7kJ/molN/AHunter and Lias, 1998HL
Quantity Value Units Method Reference Comment
Gas basicity733.2kJ/molN/AHunter and Lias, 1998HL

Ionization energy determinations

IE (eV) Method Reference Comment
10.92 ± 0.01PEDewar, Shanshal, et al., 1969RDSH
10.88 ± 0.05PIWatanabe, Nakayama, et al., 1962RDSH
11.02PEKimura, Katsumata, et al., 1981Vertical value; LLK

Appearance energy determinations

Ion AE (eV) Other Products MethodReferenceComment
C2H5+11.0NO2EITsuda and Hamill, 1966RDSH
C2H5O+10.62 ± 0.07NOEISolka and Russell, 1974LLK

De-protonation reactions

C2H4NO2- + Hydrogen cation = Ethane, nitro-

By formula: C2H4NO2- + H+ = C2H5NO2

Quantity Value Units Method Reference Comment
Deltar1489. ± 9.2kJ/molG+TSBartmess, Scott, et al., 1979gas phase; value altered from reference due to change in acidity scale; B
Deltar1496. ± 12.kJ/molG+TSCumming and Kebarle, 1978gas phase; B
Quantity Value Units Method Reference Comment
Deltar1462. ± 8.4kJ/molIMREBartmess, Scott, et al., 1979gas phase; value altered from reference due to change in acidity scale; B
Deltar1469. ± 8.4kJ/molIMRECumming and Kebarle, 1978gas 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]

Dewar, Shanshal, et al., 1969
Dewar, M.J.S.; Shanshal, M.; Worley, S.D., Calculated and observed ionization potentials gf nitroalkanes and of nitrous and nitric acids and esters. Extension of the MINDO method to nitrogen-oxygen compounds, J. Am. Chem. Soc., 1969, 91, 3590. [all data]

Watanabe, Nakayama, et al., 1962
Watanabe, K.; Nakayama, T.; Mottl, J., Ionization potentials of some molecules, J. Quant. Spectry. Radiative Transfer, 1962, 2, 369. [all data]

Kimura, Katsumata, et al., 1981
Kimura, K.; Katsumata, S.; Achiba, Y.; Yamazaki, T.; Iwata, S., Ionization energies, Ab initio assignments, and valence electronic structure for 200 molecules in Handbook of HeI Photoelectron Spectra of Fundamental Organic Compounds, Japan Scientific Soc. Press, Tokyo, 1981. [all data]

Tsuda and Hamill, 1966
Tsuda, S.; Hamill, W.H., Ionization efficiency measurements by the retarding potential difference method, Advan. Mass Spectrom., 1966, 3, 249. [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]

Bartmess, Scott, et al., 1979
Bartmess, J.E.; Scott, J.A.; McIver, R.T., Jr., The gas phase acidity scale from methanol to phenol, J. Am. Chem. Soc., 1979, 101, 6047. [all data]

Cumming and Kebarle, 1978
Cumming, J.B.; Kebarle, P., Summary of gas phase measurements involving acids AH. Entropy changes in proton transfer reactions involving negative ions. Bond dissociation energies D(A-H) and electron affinities EA(A), Can. J. Chem., 1978, 56, 1. [all data]


Notes

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