Ethanol, 2-fluoro-
- Formula: C2H5FO
- Molecular weight: 64.0589
- IUPAC Standard InChI: InChI=1S/C2H5FO/c3-1-2-4/h4H,1-2H2
- IUPAC Standard InChIKey: GGDYAKVUZMZKRV-UHFFFAOYSA-N
- CAS Registry Number: 371-62-0
- Chemical structure:
This structure is also available as a 2d Mol file or as a computed 3d SD file
The 3d structure may be viewed using Java or Javascript. - Other names: Ethylene fluorohydrin; 2-Fluoro-1-ethanol; 2-Fluoroethanol; CH2FCH2OH; β-Fluoroethanol; TL 741
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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 evaluated as indicated in comments:
HL - Edward P. Hunter and Sharon G. Lias
Data compiled as indicated in comments:
B - John E. Bartmess
LBLHLM - Sharon G. Lias, John E. Bartmess, Joel F. Liebman, John L. Holmes, Rhoda D. Levin, and W. Gary Mallard
LLK - Sharon G. Lias, Rhoda D. Levin, and Sherif A. Kafafi
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| Proton affinity (review) | 715.6 | kJ/mol | N/A | Hunter and Lias, 1998 | HL |
| Quantity | Value | Units | Method | Reference | Comment |
| Gas basicity | 685.2 | kJ/mol | N/A | Hunter and Lias, 1998 | HL |
Ionization energy determinations
| IE (eV) | Method | Reference | Comment |
|---|---|---|---|
| 10.66 | PE | Koppel, Molder, et al., 1983 | LBLHLM |
| 11.05 | PE | Baker, Betteridge, et al., 1971 | LLK |
| 11.05 | PE | Baker, Betteridge, et al., 1971 | LLK |
| 10.98 | PE | Hoppilliard and Solgadi, 1980 | Vertical value; LLK |
De-protonation reactions
C2H4FO- + =
By formula: C2H4FO- + H+ = C2H5FO
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 1553. ± 12. | kJ/mol | G+TS | Graul, Schnute, et al., 1990 | gas phase; B |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔrG° | 1525. ± 12. | kJ/mol | CIDC | Graul, Schnute, et al., 1990 | gas phase; B |
| ΔrG° | 1521. ± 15. | kJ/mol | IMRB | Clair and McMahon, 1980 | gas phase; Between HF and acetone; value altered from reference due to change in acidity scale; B |
| ΔrG° | 1527. ± 14. | kJ/mol | IMRB | Dawson and Jennings, 1977 | gas phase; Between HF and acetone; value altered from reference due to change in acidity scale; B |
References
Go To: Top, 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.
Hunter and Lias, 1998
Hunter, E.P.; Lias, S.G.,
Evaluated Gas Phase Basicities and Proton Affinities of Molecules: An Update,
J. Phys. Chem. Ref. Data, 1998, 27, 3, 413-656, https://doi.org/10.1063/1.556018
. [all data]
Koppel, Molder, et al., 1983
Koppel, I.A.; Molder, U.H.; Pikver, R.J.,
Photoelectron spectra of molecules. I. Alcohols,
Org. React. Tartu, 1983, 20, 45. [all data]
Baker, Betteridge, et al., 1971
Baker, A.D.; Betteridge, D.; Kemp, N.R.; Kirby, R.E.,
Application of photoelectron spectrometry to pesticide analysis. II.Photoelectron spectra of hydroxy-, and halo-alkanes and halohydrins,
Anal. Chem., 1971, 43, 375. [all data]
Hoppilliard and Solgadi, 1980
Hoppilliard, Y.; Solgadi, D.,
Conformational analysis of 2-haloethanols and 2-methoxyethylhalides in a photoelectron spectrometer,
Tetrahedron, 1980, 36, 377. [all data]
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, 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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