acetyl fluoride

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Gas phase 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: Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein

Quantity Value Units Method Reference Comment
Δfgas-106.4 ± 0.5kcal/molCmPritchard and Skinner, 1950Heat of formation derived by Cox and Pilcher, 1970, see Carson and Skinner, 1949 and Pritchard and Skinner, 1950, 2
Δfgas-104.6kcal/molCmCarson and Skinner, 1949 

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 as indicated in comments:
B - John E. Bartmess
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein

Note: Please consider using the reaction search for this species. This page allows searching of all reactions involving this species. A general reaction search form is also available. Future versions of this site may rely on reaction search pages in place of the enumerated reaction displays seen below.

Individual Reactions

C2H2FO- + Hydrogen cation = acetyl fluoride

By formula: C2H2FO- + H+ = C2H3FO

Quantity Value Units Method Reference Comment
Δr355.9 ± 3.8kcal/molG+TSFarid and McMahon, 1980gas phase; Between MeCOCH2F, cyclopentadiene; value altered from reference due to change in acidity scale; B
Quantity Value Units Method Reference Comment
Δr349.0 ± 3.7kcal/molIMRBFarid and McMahon, 1980gas phase; Between MeCOCH2F, cyclopentadiene; value altered from reference due to change in acidity scale; B

2Sodium hydroxide + acetyl fluoride = Acetic acid, sodium salt + sodium fluoride + Water

By formula: 2HNaO + C2H3FO = C2H3NaO2 + FNa + H2O

Quantity Value Units Method Reference Comment
Δr-13.42 ± 0.02kcal/molCmPritchard and Skinner, 1950, 2liquid phase; Corrected for CODATA value of ΔfH; HF(100); ALS
Δr-42.4kcal/molCmCarson and Skinner, 1949liquid phase; ALS

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 as indicated in comments:
B - John E. Bartmess
LLK - Sharon G. Lias, Rhoda D. Levin, and Sherif A. Kafafi
RDSH - Henry M. Rosenstock, Keith Draxl, Bruce W. Steiner, and John T. Herron

Ionization energy determinations

IE (eV) Method Reference Comment
11.51 ± 0.02PEChadwick and Katrib, 1974LLK

Appearance energy determinations

Ion AE (eV) Other Products MethodReferenceComment
C2H3O+12.3FEIMajer, Patrick, et al., 1961RDSH

De-protonation reactions

C2H2FO- + Hydrogen cation = acetyl fluoride

By formula: C2H2FO- + H+ = C2H3FO

Quantity Value Units Method Reference Comment
Δr355.9 ± 3.8kcal/molG+TSFarid and McMahon, 1980gas phase; Between MeCOCH2F, cyclopentadiene; value altered from reference due to change in acidity scale; B
Quantity Value Units Method Reference Comment
Δr349.0 ± 3.7kcal/molIMRBFarid and McMahon, 1980gas phase; Between MeCOCH2F, cyclopentadiene; value altered from reference due to change in acidity scale; B

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.

Pritchard and Skinner, 1950
Pritchard, H.O.; Skinner, H.A., The heats of hydrolysis of the chloro-substituted acetyl chlorides, J. Chem. Soc., 1950, 272-276. [all data]

Cox and Pilcher, 1970
Cox, J.D.; Pilcher, G., Thermochemistry of Organic and Organometallic Compounds, Academic Press, New York, 1970, 1-636. [all data]

Carson and Skinner, 1949
Carson, A.S.; Skinner, H.A., 201. Carbon-halogen bond energies in the acetyl halides, J. Chem. Soc., 1949, 936-939. [all data]

Pritchard and Skinner, 1950, 2
Pritchard, H.O.; Skinner, H.A., The heat of hydrolysis of acetyl fluoride, J. Chem. Soc., 1950, 1099. [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]

Chadwick and Katrib, 1974
Chadwick, D.; Katrib, A., Photoelectron spectra of acetaldehyde and acetyl halides, J. Electron Spectrosc. Relat. Phenom., 1974, 3, 39. [all data]

Majer, Patrick, et al., 1961
Majer, J.R.; Patrick, C.R.; Robb, J.C., Appearance potentials of the acetyl radical-ion, J. Chem. Soc. Faraday Trans., 1961, 57, 14. [all data]


Notes

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