Nitrogen dioxide

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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 • 4294967295Nitrogen dioxide) + Nitrogen dioxide = Nitrogen oxide anion

By formula: (NO2- • 4294967295NO2) + NO2 = NO2-

Quantity Value Units Method Reference Comment
Δr449.0 ± 1.3kJ/molN/ADavidson, Fehsenfeld, et al., 1977gas phase; Relative to HBr, reevaluated with current HBr acidity. Excited state at 3.0 eV,81WU /TIE.; B
Δr<192.9kJ/molPDisSmith, Lee, et al., 1979gas phase; Isomer: O4- + NO ->.; B
Δr276. ± 21.kJ/molPDisSmith, Lee, et al., 1978gas phase; B

0.76Nitrogen dioxide + 0.62Dinitrogen tetroxide + Methyl nitrate = Dinitrogen pentoxide + Methyl nitrite

By formula: 0.76NO2 + 0.62N2O4 + CH3NO3 = N2O5 + CH3NO2

Quantity Value Units Method Reference Comment
Δr36.24kJ/molCmRay and Ogg, 1959liquid phase; ALS

Methyl nitrite + Nitric acid = 2Nitrogen dioxide + Methyl Alcohol

By formula: CH3NO2 + HNO3 = 2NO2 + CH4O

Quantity Value Units Method Reference Comment
Δr66.48kJ/molEqkSilverwood and Thomas, 1967gas 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.

Davidson, Fehsenfeld, et al., 1977
Davidson, J.A.; Fehsenfeld, F.C.; Howard, C.J., The heats of formation of NO3- and NO3- association complexes with HNO3 and HBr, Int. J. Chem. Kinet., 1977, 9, 17. [all data]

Smith, Lee, et al., 1979
Smith, G.P.; Lee, L.C.; Moseley, J.T., Photodissociation and photodetachment of molecular negative ions. VIII. Nitrogen oxides and hydrates,3500-8250 Å, J. Chem. Phys., 1979, 71, 4034. [all data]

Smith, Lee, et al., 1978
Smith, G.P.; Lee, L.C.; Cosby, P.C.; Peterson, J.R.; Moseley, J.T., Photodissociation and photodetachment of molecular negative ions. V. Atmospheric ions from 7000 to 8400 A), J. Chem. Phys., 1978, 68, 3818. [all data]

Ray and Ogg, 1959
Ray, J.D.; Ogg, R.A., Jr., The heat of formation of methyl nitrate, J. Phys. Chem., 1959, 63, 1522-1523. [all data]

Silverwood and Thomas, 1967
Silverwood, R.; Thomas, J.H., Reaction between methanol and nitrogen dioxide. Part 1.-Low-temperature reaction and the thermodynamic constants of methyl nitrite, J. Chem. Soc. Faraday Trans., 1967, 63, 2476-2479. [all data]


Notes

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