maleimidate anion
- Formula: C4H2NO2-
- Molecular weight: 96.0647
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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 by: John E. Bartmess
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Individual Reactions
C4H2NO2- + =
By formula: C4H2NO2- + H+ = C4H3NO2
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 1360. ± 19. | kJ/mol | EIAE | Cooper and Compton, 1973 | gas phase; From maleimide. G3MP2B3 calculations indicate a dHacid = 342 kcal/mol |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔrG° | 1328. ± 21. | kJ/mol | H-TS | Cooper and Compton, 1973 | gas phase; From maleimide. G3MP2B3 calculations indicate a dHacid = 342 kcal/mol |
Gas phase ion energetics data
Go To: Top, Reaction thermochemistry 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
Protonation reactions
C4H2NO2- + =
By formula: C4H2NO2- + H+ = C4H3NO2
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 1360. ± 19. | kJ/mol | EIAE | Cooper and Compton, 1973 | gas phase; From maleimide. G3MP2B3 calculations indicate a dHacid = 342 kcal/mol |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔrG° | 1328. ± 21. | kJ/mol | H-TS | Cooper and Compton, 1973 | gas phase; From maleimide. G3MP2B3 calculations indicate a dHacid = 342 kcal/mol |
References
Go To: Top, Reaction thermochemistry data, 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.
Cooper and Compton, 1973
Cooper, C.D.; Compton, R.N.,
Electron attachment and cesium collisional ionization studies of tetrafluorosuccinic and hexafluoroglutaric anhydrides: Molecular electron affinities,
J. Chem. Phys., 1973, 59, 3550. [all data]
Notes
Go To: Top, Reaction thermochemistry data, Gas phase ion energetics data, References
- Symbols used in this document:
ΔrG° Free energy of reaction at standard conditions ΔrH° Enthalpy of reaction at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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