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MeCH=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

Note: Please consider using the reaction search for this species. This page allows searching of all reactions involving this species. A general reaction search form is also available. Future versions of this site may rely on reaction search pages in place of the enumerated reaction displays seen below.

Individual 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
Deltar1496. ± 12.kJ/molG+TSCumming and Kebarle, 1978gas phase
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
Deltar1469. ± 8.4kJ/molIMRECumming and Kebarle, 1978gas phase

C2H4NO2- + Ethane, nitro- = C4H9N2O4-

By formula: C2H4NO2- + C2H5NO2 = C4H9N2O4-

Quantity Value Units Method Reference Comment
Deltar67.8 ± 3.3kJ/molTDAsWincel, 2004gas phase
Quantity Value Units Method Reference Comment
Deltar37.7kJ/molTDAsWincel, 2004gas phase

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 compiled by: John E. Bartmess

Electron affinity of neutral species

EAneutral (eV) Method Reference Comment
2.13 ± 0.13D-EABartmess, Scott, et al., 1979value altered from reference due to change in acidity scale

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
Deltar1496. ± 12.kJ/molG+TSCumming and Kebarle, 1978gas phase
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
Deltar1469. ± 8.4kJ/molIMRECumming and Kebarle, 1978gas phase

Ion clustering data

Go To: Top, Reaction thermochemistry data, Gas phase ion energetics data, References, Notes

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

Note: Please consider using the reaction search for this species. This page allows searching of all reactions involving this species. Searches may be limited to ion clustering reactions. A general reaction search form is also available.

Clustering reactions

C2H4NO2- + Ethane, nitro- = C4H9N2O4-

By formula: C2H4NO2- + C2H5NO2 = C4H9N2O4-

Quantity Value Units Method Reference Comment
Deltar67.8 ± 3.3kJ/molTDAsWincel, 2004gas phase
Quantity Value Units Method Reference Comment
Deltar37.7kJ/molTDAsWincel, 2004gas phase

References

Go To: Top, Reaction thermochemistry data, Gas phase ion energetics data, Ion clustering data, Notes

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

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]

Wincel, 2004
Wincel, H., Gas-phase clustering reactions of NO2-, C2H3NO2-, C2H4NO2-C2H5NO2- and C2H5NO4- with C2H5NO2, Int. J. Mass Spectrom., 2004, 232, 2, 185-194, https://doi.org/10.1016/j.ijms.2004.01.003 . [all data]


Notes

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