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-1433.kJ/molSemiStewart, 2004 

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
DH - Eugene S. Domalski and Elizabeth D. Hearing

Quantity Value Units Method Reference Comment
Tboil247.2KN/AAldrich Chemical Company Inc., 1990BS
Tboil245.7KN/APCR Inc., 1990BS
Tboil245.2KN/AWeast and Grasselli, 1989BS
Quantity Value Units Method Reference Comment
Ttriple147.70KN/APlaush and Pace, 1967Uncertainty assigned by TRC = 0.02 K; TRC
Quantity Value Units Method Reference Comment
Tc357.14KN/AMousa, Kay, et al., 1972Uncertainty assigned by TRC = 0.2 K; TRC
Quantity Value Units Method Reference Comment
Pc28.320barN/AMousa, Kay, et al., 1972Uncertainty assigned by TRC = 0.0344 bar; TRC
Quantity Value Units Method Reference Comment
ρc3.04mol/lN/AMousa, Kay, et al., 1972Uncertainty assigned by TRC = 0.0304 mol/l; TRC

Enthalpy of vaporization

ΔvapH (kJ/mol) Temperature (K) Reference Comment
21.615245.87Plaush and Pace, 1967, 2P = 101.325 kPa; DH

Entropy of vaporization

ΔvapS (J/mol*K) Temperature (K) Reference Comment
87.91245.87Plaush and Pace, 1967, 2P; DH

Antoine Equation Parameters

log10(P) = A − (B / (T + C))
    P = vapor pressure (bar)
    T = temperature (K)

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Temperature (K) A B C Reference Comment
194.36 to 246.043.76719723.178-53.618Plaush and Pace, 1967, 2Coefficents calculated by NIST from author's data.
239.84 to 357.34.36104978.564-20.953Murphy, 1964Coefficents calculated by NIST from author's data.

Enthalpy of fusion

ΔfusH (kJ/mol) Temperature (K) Reference Comment
8.3826147.70Plaush and Pace, 1967, 2DH

Entropy of fusion

ΔfusS (J/mol*K) Temperature (K) Reference Comment
56.75147.70Plaush and Pace, 1967, 2DH

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:


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
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)670.4kJ/molN/AHunter and Lias, 1998HL
Quantity Value Units Method Reference Comment
Gas basicity639.7kJ/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, Phase change 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]

Aldrich Chemical Company Inc., 1990
Aldrich Chemical Company Inc., Catalog Handbook of Fine Chemicals, Aldrich Chemical Company, Inc., Milwaukee WI, 1990, 1. [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]

Plaush and Pace, 1967
Plaush, A.C.; Pace, E.L., Thermodynamic properties of hexafluoroacetone from 12 k to its normal boiling point an estimate of the barrier to internal rotation from the entropy of the gas, J. Chem. Phys., 1967, 47, 44-8. [all data]

Mousa, Kay, et al., 1972
Mousa, A.H.N.; Kay, W.B.; Kreglewski, A., The critical constants of binary mixtures of certain perfluoro-compounds with alkanes, J. Chem. Thermodyn., 1972, 4, 301-11. [all data]

Plaush and Pace, 1967, 2
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]

Murphy, 1964
Murphy, Kevin P., The Vapor Pressure of Hexoafluoro and Pentafluorochloroacetone., J. Chem. Eng. Data, 1964, 9, 2, 259-260, https://doi.org/10.1021/je60021a041 . [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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