FCH2CH2O anion
- Formula: C2H4FO-
- Molecular weight: 63.0515
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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
C2H4FO- + =
By formula: C2H4FO- + H+ = C2H5FO
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 371.2 ± 2.9 | kcal/mol | G+TS | Graul, Schnute, et al., 1990 | gas phase |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔrG° | 364.6 ± 2.8 | kcal/mol | CIDC | Graul, Schnute, et al., 1990 | gas phase |
| ΔrG° | 363.5 ± 3.5 | kcal/mol | IMRB | Clair and McMahon, 1980 | gas phase; Between HF and acetone; value altered from reference due to change in acidity scale |
| ΔrG° | 364.9 ± 3.4 | kcal/mol | IMRB | Dawson and Jennings, 1977 | gas phase; Between HF and acetone; value altered from reference due to change in acidity scale |
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
Electron affinity of neutral species
| EAneutral (eV) | Method | Reference | Comment |
|---|---|---|---|
| 2.06 ± 0.18 | D-EA | Graul, Schnute, et al., 1990 |
Protonation reactions
C2H4FO- + =
By formula: C2H4FO- + H+ = C2H5FO
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 371.2 ± 2.9 | kcal/mol | G+TS | Graul, Schnute, et al., 1990 | gas phase |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔrG° | 364.6 ± 2.8 | kcal/mol | CIDC | Graul, Schnute, et al., 1990 | gas phase |
| ΔrG° | 363.5 ± 3.5 | kcal/mol | IMRB | Clair and McMahon, 1980 | gas phase; Between HF and acetone; value altered from reference due to change in acidity scale |
| ΔrG° | 364.9 ± 3.4 | kcal/mol | IMRB | Dawson and Jennings, 1977 | gas phase; Between HF and acetone; value altered from reference due to change in acidity scale |
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.
Graul, Schnute, et al., 1990
Graul, S.T.; Schnute, M.E.; Squires, R.R.,
Gas-Phase Acidities of Carboxylic Acids and Alcohols from Collision-Induced Dissociation of Dimer Cluster Ions,
Int. J. Mass Spectrom. Ion Proc., 1990, 96, 2, 181, https://doi.org/10.1016/0168-1176(90)87028-F
. [all data]
Clair and McMahon, 1980
Clair, R.L.; McMahon, T.B.,
An ion cyclotron resonance study of base-induced elimination reactions of fluorinated alcohols and unimolecular loss of HF from chemically activated fluoroalkoxide ions,
Int. J. Mass Spectrom. Ion Phys., 1980, 33, 21. [all data]
Dawson and Jennings, 1977
Dawson, J.H.J.; Jennings, K.R.,
Relative gas phase acidities of some fluoroalcohols,
Int. J. Mass Spectrom. Ion Phys., 1977, 25, 47. [all data]
Notes
Go To: Top, Reaction thermochemistry data, 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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