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Nitrous acid


Reaction thermochemistry 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 compiled as indicated in comments:
B - John E. Bartmess
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein

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Individual Reactions

Nitrogen oxide anion + Hydrogen cation = Nitrous acid

By formula: NO2- + H+ = HNO2

Quantity Value Units Method Reference Comment
Deltar1423.5 ± 0.88kJ/molD-EAErvin, Ho, et al., 1988gas phase; B
Quantity Value Units Method Reference Comment
Deltar1396.3 ± 1.3kJ/molH-TSErvin, Ho, et al., 1988gas phase; B

Nitrogen oxide anion + Nitrous acid = (Nitrogen oxide anion bullet Nitrous acid)

By formula: NO2- + HNO2 = (NO2- bullet HNO2)

Quantity Value Units Method Reference Comment
Deltar136. ± 4.2kJ/molTDAsLee, Keesee, et al., 1980gas phase; B

Benzenamine, N-ethyl- + Nitrous acid = Benzenamine, N-ethyl-N-nitroso- + Water

By formula: C8H11N + HNO2 = C8H10N2O + H2O

Quantity Value Units Method Reference Comment
Deltar-78.83kJ/molCmSwientoslawski, 1910liquid phase; ALS

Diphenylamine + Nitrous acid = Water + N-Nitrosodiphenylamine

By formula: C12H11N + HNO2 = H2O + C12H10N2O

Quantity Value Units Method Reference Comment
Deltar-62.84kJ/molCmSwientoslawski, 1910solid phase; ALS

References

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

Ervin, Ho, et al., 1988
Ervin, K.M.; Ho, J.; Lineberger, W.C., Ultraviolet Photoelectron Spectrum of NO2-, J. Phys. Chem., 1988, 92, 19, 5405, https://doi.org/10.1021/j100330a017 . [all data]

Lee, Keesee, et al., 1980
Lee, N.; Keesee, R.G.; Castleman, A.W., Jr., The properties of clusters in the gas phase. IV. Complexes of H2O and HNOx clustering on NOx-, J. Chem. Phys., 1980, 72, 1089. [all data]

Swientoslawski, 1910
Swientoslawski, W., Thermochemische Untersuchungen der organischen Verbindungen. Dritte Mitteilung. Stickstoffhaltige Verbindungen., Z. Phys. Chem., 1910, 72, 49-83. [all data]


Notes

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