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-445. ± 2.kJ/molCmPritchard and Skinner, 1950Heat of formation derived by Cox and Pilcher, 1970, see Carson and Skinner, 1949 and Pritchard and Skinner, 1950, 2
Δfgas-437.6kJ/molCmCarson and Skinner, 1949 

Condensed 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
Δfliquid-466.39 ± 0.08kJ/molCmPritchard and Skinner, 1950, 2Corrected for CODATA value of ΔfH; HF(100)
Δfliquid-470.3 ± 0.4kJ/molCmPritchard and Skinner, 1950Heat of formation derived by Cox and Pilcher, 1970, see Carson and Skinner, 1949 and Pritchard and Skinner, 1950, 2
Δfliquid-463. ± 3.kJ/molCmCarson and Skinner, 1949 

Phase change 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:
BS - Robert L. Brown and Stephen E. Stein
TRC - Thermodynamics Research Center, NIST Boulder Laboratories, Chris Muzny director
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
AC - William E. Acree, Jr., James S. Chickos

Quantity Value Units Method Reference Comment
Tboil293.KN/APCR Inc., 1990BS
Tboil294.0KN/AWeast and Grasselli, 1989BS
Tboil293. to 294.KN/ABuckingham and Donaghy, 1982BS
Tboil295.KN/AYamase, 1961Uncertainty assigned by TRC = 2. K; TRC
Quantity Value Units Method Reference Comment
Δvap25. ± 2.kJ/molEPritchard and Skinner, 1950Heat of formation derived by Cox and Pilcher, 1970, see Carson and Skinner, 1949 and Pritchard and Skinner, 1950, 2; ALS
Δvap30.kJ/molECarson and Skinner, 1949ALS

Enthalpy of vaporization

ΔvapH (kJ/mol) Temperature (K) Method Reference Comment
14.3266.AStephenson and Malanowski, 1987Based on data from 195. to 281. K.; AC

In addition to the Thermodynamics Research Center (TRC) data available from this site, much more physical and chemical property data is available from the following TRC products:


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
Δr1489. ± 16.kJ/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
Δr1460. ± 15.kJ/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-56.15 ± 0.08kJ/molCmPritchard and Skinner, 1950, 2liquid phase; Corrected for CODATA value of ΔfH; HF(100); ALS
Δr-177.kJ/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
Δr1489. ± 16.kJ/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
Δr1460. ± 15.kJ/molIMRBFarid and McMahon, 1980gas phase; Between MeCOCH2F, cyclopentadiene; value altered from reference due to change in acidity scale; B

References

Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, 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.

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]

PCR Inc., 1990
PCR Inc., Research Chemicals Catalog 1990-1991, PCR Inc., Gainesville, FL, 1990, 1. [all data]

Weast and Grasselli, 1989
CRC Handbook of Data on Organic Compounds, 2nd Editon, Weast,R.C and Grasselli, J.G., ed(s)., CRC Press, Inc., Boca Raton, FL, 1989, 1. [all data]

Buckingham and Donaghy, 1982
Buckingham, J.; Donaghy, S.M., Dictionary of Organic Compounds: Fifth Edition, Chapman and Hall, New York, 1982, 1. [all data]

Yamase, 1961
Yamase, Y., Friedel-Crafts Acylation II. Relative Reactivity for Some Acyl Halides, Bull. Chem. Soc. Jpn., 1961, 34, 480-84. [all data]

Stephenson and Malanowski, 1987
Stephenson, Richard M.; Malanowski, Stanislaw, Handbook of the Thermodynamics of Organic Compounds, 1987, https://doi.org/10.1007/978-94-009-3173-2 . [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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