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CH2=NO2 anion


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 by: John E. Bartmess

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Individual Reactions

CH2NO2- + Hydrogen cation = Methane, nitro-

By formula: CH2NO2- + H+ = CH3NO2

Quantity Value Units Method Reference Comment
Deltar1498. ± 21.kJ/molD-EAMetz, Cyr, et al., 1991gas phase
Deltar1491. ± 9.2kJ/molG+TSBartmess, Scott, et al., 1979gas phase; value altered from reference due to change in acidity scale
Deltar1495. ± 12.kJ/molG+TSCumming and Kebarle, 1978gas phase
Quantity Value Units Method Reference Comment
Deltar1463. ± 8.4kJ/molIMREBartmess, Scott, et al., 1979gas phase; value altered from reference due to change in acidity scale
Deltar1467. ± 8.4kJ/molIMRECumming and Kebarle, 1978gas phase
Deltar1467. ± 8.4kJ/molIMREMacKay and Bohme, 1978gas phase; EA: < NO2

CH2NO2- + Methane, nitro- = C2H5N2O4-

By formula: CH2NO2- + CH3NO2 = C2H5N2O4-

Quantity Value Units Method Reference Comment
Deltar66.5 ± 2.1kJ/molTDAsWincel, 2003gas phase
Quantity Value Units Method Reference Comment
Deltar35.1kJ/molTDAsWincel, 2003gas phase

References

Go To: Top, Reaction thermochemistry data, Notes

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

Metz, Cyr, et al., 1991
Metz, R.B.; Cyr, D.R.; Neumark, D.M., Study of the 2B1 and 2A2 States of CH2NO2 via Ultraviolet Photoelectron Spectroscopy of the CH2NO2- Anion, J. Phys. Chem., 1991, 95, 7, 2900, https://doi.org/10.1021/j100160a047 . [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]

MacKay and Bohme, 1978
MacKay, G.I.; Bohme, D.K., Proton-Transfer Reactions in Nitromethane at 297K, Int. J. Mass Spectrom. Ion Phys., 1978, 26, 4, 327, https://doi.org/10.1016/0020-7381(78)80052-7 . [all data]

Wincel, 2003
Wincel, H., Gas-phase Solvation of Cl-, NO2-, CH2NO2-, CH3NO2-, and CH3NO4- by CH3NO2, Int. J. Mass Spectrom., 2003, 226, 3, 341-353, https://doi.org/10.1016/S1387-3806(03)00066-6 . [all data]


Notes

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