PhN=C(Me)O anion
- Formula: C8H8NO-
- Molecular weight: 134.1558
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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 |
|---|---|---|---|
| 2.82 ± 0.16 | D-EA | Taft and Bordwell, 1988 |
Protonation reactions
C8H8NO- + =
By formula: C8H8NO- + H+ = C8H9NO
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 347.5 ± 2.1 | kcal/mol | G+TS | Taft and Bordwell, 1988 | gas phase |
| ΔrH° | 352.8 ± 2.3 | kcal/mol | G+TS | Cumming and Kebarle, 1978 | gas phase |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔrG° | 340.6 ± 2.0 | kcal/mol | IMRE | Taft and Bordwell, 1988 | gas phase |
| ΔrG° | 345.8 ± 2.0 | kcal/mol | IMRE | Cumming and Kebarle, 1978 | gas phase |
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.
Taft and Bordwell, 1988
Taft, R.W.; Bordwell, F.G.,
Structural and Solvent Effects Evaluated from Acidities Measured in Dimethyl Sulfoxide and in the Gas Phase,
Acc. Chem. Res., 1988, 21, 12, 463, https://doi.org/10.1021/ar00156a005
. [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]
Notes
Go To: Top, Gas phase ion energetics data, References
- Symbols used in this document:
EAneutral Electron affinity of neutral species 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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