2-Propanone, 1,1,1,3,3,3-hexafluoro-
- Formula: C3F6O
- Molecular weight: 166.0219
- IUPAC Standard InChIKey: VBZWSGALLODQNC-UHFFFAOYSA-N
- CAS Registry Number: 684-16-2
- Chemical structure:
This structure is also available as a 2d Mol file or as a computed 3d SD file
The 3d structure may be viewed using Java or Javascript. - Other names: Hexafluoroacetone; GC 7887; Perfluoro-2-propanone; Perfluoroacetone; (CF3)2CO; Hexafluoropropanone; Acetone, hexafluoro-; NCI-C56440; 1,1,1,3,3,3-Hexafluoro-2-propanone; 6FK; UN 2420; 2-Propanone, hexafluoro-; NSC 202438
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Gas phase thermochemistry data
Go To: Top, Condensed phase thermochemistry data, Gas phase ion energetics data, References, Notes
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 |
---|---|---|---|---|---|
ΔfH°gas | -342.6 | kcal/mol | Semi | Stewart, 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 |
---|---|---|---|---|---|
S°liquid | 68.499 | cal/mol*K | N/A | Plaush and Pace, 1967 |
Constant pressure heat capacity of liquid
Cp,liquid (cal/mol*K) | Temperature (K) | Reference | Comment |
---|---|---|---|
43.329 | 245. | Plaush and Pace, 1967 | T = 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 ± 0.13 | eV | N/A | N/A | L |
Quantity | Value | Units | Method | Reference | Comment |
Proton affinity (review) | 160.2 | kcal/mol | N/A | Hunter and Lias, 1998 | HL |
Quantity | Value | Units | Method | Reference | Comment |
Gas basicity | 152.9 | kcal/mol | N/A | Hunter and Lias, 1998 | HL |
Electron affinity determinations
EA (eV) | Method | Reference | Comment |
---|---|---|---|
>0.442316 | IMRB | McDonald and Chowdhury, 1985 | G3MP2B3 calculations indicate an EA of ca. 1.3 eV; B |
Ionization energy determinations
IE (eV) | Method | Reference | Comment |
---|---|---|---|
11.44 | PE | Brundle, Robin, et al., 1972 | LLK |
11.68 | PE | Dewar and Worley, 1969 | RDSH |
12.09 ± 0.02 | PE | Young and Cheng, 1976 | Vertical value; LLK |
Appearance energy determinations
Ion | AE (eV) | Other Products | Method | Reference | Comment |
---|---|---|---|---|---|
CF3+ | 13.8 | ? | EI | Majer, Olavesen, et al., 1971 | LLK |
CF3+ | 14.26 ± 0.10 | ? | EI | Harland and Thynne, 1970 | RDSH |
C2OF3+ | 11.65 | ? | EI | Majer, Olavesen, et al., 1971 | LLK |
C2OF3+ | 12.04 ± 0.12 | ? | EI | Harland and Thynne, 1970 | RDSH |
C3OF5+ | 16. | ? | EI | Majer, Olavesen, et al., 1971 | LLK |
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
Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Gas phase ion energetics data, References
- Symbols used in this document:
AE Appearance energy Cp,liquid Constant pressure heat capacity of liquid EA Electron affinity IE (evaluated) Recommended ionization energy S°liquid Entropy of liquid at standard conditions ΔfH°gas Enthalpy of formation of gas at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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