2-Propanone, 1,1,1,3,3,3-hexafluoro-

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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.

Quantity Value Units Method Reference Comment
Δfgas-342.6kcal/molSemiStewart, 2004 

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: Eugene S. Domalski and Elizabeth D. Hearing

Quantity Value Units Method Reference Comment
liquid68.499cal/mol*KN/APlaush and Pace, 1967 

Constant pressure heat capacity of liquid

Cp,liquid (cal/mol*K) Temperature (K) Reference Comment
43.329245.Plaush and Pace, 1967T = 12 to 244 K.

Gas phase ion energetics data

Go To: Top, Gas phase thermochemistry data, Condensed phase 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 evaluated as indicated in comments:
HL - Edward P. Hunter and Sharon G. Lias
L - Sharon G. Lias

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

Quantity Value Units Method Reference Comment
IE (evaluated)11.57 ± 0.13eVN/AN/AL
Quantity Value Units Method Reference Comment
Proton affinity (review)160.2kcal/molN/AHunter and Lias, 1998HL
Quantity Value Units Method Reference Comment
Gas basicity152.9kcal/molN/AHunter and Lias, 1998HL

Electron affinity determinations

EA (eV) Method Reference Comment
>0.442316IMRBMcDonald and Chowdhury, 1985G3MP2B3 calculations indicate an EA of ca. 1.3 eV; B

Ionization energy determinations

IE (eV) Method Reference Comment
11.44PEBrundle, Robin, et al., 1972LLK
11.68PEDewar and Worley, 1969RDSH
12.09 ± 0.02PEYoung and Cheng, 1976Vertical value; LLK

Appearance energy determinations

Ion AE (eV) Other Products MethodReferenceComment
CF3+13.8?EIMajer, Olavesen, et al., 1971LLK
CF3+14.26 ± 0.10?EIHarland and Thynne, 1970RDSH
C2OF3+11.65?EIMajer, Olavesen, et al., 1971LLK
C2OF3+12.04 ± 0.12?EIHarland and Thynne, 1970RDSH
C3OF5+16.?EIMajer, Olavesen, et al., 1971LLK

References

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

Stewart, 2004
Stewart, J.J.P., Comparison of the accuracy of semiempirical and some DFT methods for predicting heats of formation, J. Mol. Model, 2004, 10, 1, 6-10, https://doi.org/10.1007/s00894-003-0157-6 . [all data]

Plaush and Pace, 1967
Plaush, A.C.; Pace, E.L., Thermodynamic properties of hexafluoroacetone from 12K to its normal boiling point. An estimate of the barrier to internal rotation from the entropy of the gas, J. Chem. Phys., 1967, 47, 44-48. [all data]

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]

McDonald and Chowdhury, 1985
McDonald, R.N.; Chowdhury, A.K., Gas-Phase Ion-Molecule Reactions of Dioxygen Anion Radical (O2-.), J. Am. Chem. Soc., 1985, 107, 14, 4123, https://doi.org/10.1021/ja00300a005 . [all data]

Brundle, Robin, et al., 1972
Brundle, C.R.; Robin, M.B.; Kuebler, N.A.; Basch, H., Perfluoro effect in photoelectron spectroscopy. I. Nonaromatic molecules, J. Am. Chem. Soc., 1972, 94, 1451. [all data]

Dewar and Worley, 1969
Dewar, M.J.S.; Worley, S.D., Photoelectron spectra of molecules. I. Ionization potentials of some organic molecules and their interpretation, J. Chem. Phys., 1969, 50, 654. [all data]

Young and Cheng, 1976
Young, V.Y.; Cheng, K.L., The photoelectron spectra of halogen substituted acetones, J. Chem. Phys., 1976, 65, 3187. [all data]

Majer, Olavesen, et al., 1971
Majer, J.R.; Olavesen, C.; Robb, J.C., Wavelength effect in the photolysis of halogenated ketones, J. Chem. Soc. B, 1971, 48. [all data]

Harland and Thynne, 1970
Harland, P.; Thynne, J.C.J., Positive and negative ion formation in hexafluoroacetone by electron impact, J. Phys. Chem., 1970, 74, 52. [all data]


Notes

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