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CH2=CFO anion


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
2.195699 ± 0.000044LPESMarks, Brauman, et al., 1988 
2.220 ± 0.091PDZimmerman, Reed, et al., 1977 

Protonation reactions

C2H2FO- + Hydrogen cation = acetyl fluoride

By formula: C2H2FO- + H+ = C2H3FO

Quantity Value Units Method Reference Comment
Deltar355.9 ± 3.8kcal/molG+TSFarid and McMahon, 1980gas phase; Between MeCOCH2F, cyclopentadiene; value altered from reference due to change in acidity scale
Quantity Value Units Method Reference Comment
Deltar349.0 ± 3.7kcal/molIMRBFarid and McMahon, 1980gas phase; Between MeCOCH2F, cyclopentadiene; value altered from reference due to change in acidity scale

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.

Marks, Brauman, et al., 1988
Marks, J.; Brauman, J.I.; Mead, R.D.; Lykke, K.R.; Lineberger, W.C., Spectroscopy and Dynamics of the Dipole Supported State of Acetyl Fluoride Enolate Anion, J. Chem. Phys., 1988, 88, 11, 6785, https://doi.org/10.1063/1.454424 . [all data]

Zimmerman, Reed, et al., 1977
Zimmerman, A.H.; Reed, K.J.; Brauman, J.I., Photodetachment of electrons from enolate anions. Gas phase electron affinities of enolate radicals, J. Am. Chem. Soc., 1977, 99, 7203. [all data]

Farid and McMahon, 1980
Farid, R.; McMahon, T.B., The gas phase acidities of fluorinated acetones. An ICR investigation of the role of fluorine substituents in the stabilization of planar carbanions, Can. J. Chem., 1980, 58, 2307. [all data]


Notes

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