CH2=C=NO2 anion
- Formula: C2H2NO2-
- Molecular weight: 72.0433
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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
C2H2NO2- + =
By formula: C2H2NO2- + H+ = C2H3NO2
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 362.0 ± 4.6 | kcal/mol | EIAE | Shiga, Yamaoka, et al., 1972 | gas phase; From CH2=CHNO2 |
| ΔrH° | <373.60 | kcal/mol | G+TS | Bartmess, 1980 | gas phase |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔrG° | 354.4 ± 5.2 | kcal/mol | H-TS | Shiga, Yamaoka, et al., 1972 | gas phase; From CH2=CHNO2 |
| ΔrG° | <366.00 | kcal/mol | IMRB | Bartmess, 1980 | gas phase |
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
C2H2NO2- + =
By formula: C2H2NO2- + H+ = C2H3NO2
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 362.0 ± 4.6 | kcal/mol | EIAE | Shiga, Yamaoka, et al., 1972 | gas phase; From CH2=CHNO2 |
| ΔrH° | <373.60 | kcal/mol | G+TS | Bartmess, 1980 | gas phase |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔrG° | 354.4 ± 5.2 | kcal/mol | H-TS | Shiga, Yamaoka, et al., 1972 | gas phase; From CH2=CHNO2 |
| ΔrG° | <366.00 | kcal/mol | IMRB | Bartmess, 1980 | gas phase |
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.
Shiga, Yamaoka, et al., 1972
Shiga, T.; Yamaoka, H.; Arakawa, K.; Suguira, T.,
A negative ion-molecule reaction in nitroethylene,
Bull. Chem. Soc. Jpn., 1972, 45, 2065. [all data]
Bartmess, 1980
Bartmess, J.E.,
Solvent effects on ion-molecule reactions. Vinyl anions vs. conjugate addition,
J. Am. Chem. Soc., 1980, 102, 2483. [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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