Ethene, tetrafluoro-
- Formula: C2F4
- Molecular weight: 100.0150
- IUPAC Standard InChIKey: BFKJFAAPBSQJPD-UHFFFAOYSA-N
- CAS Registry Number: 116-14-3
- 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: Ethylene, tetrafluoro-; Perfluoroethene; Perfluoroethylene; Tetrafluoroethene; Tetrafluoroethylene; TFE; C2F4; Fluoroplast 4; Tetrafluorethylene; 1,1,2,2-Tetrafluoroethylene; Tetrafluorethene; Ethene, 1,1,2,2-tetrafluoro-
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Phase change data
Go To: Top, Henry's Law data, Gas phase ion energetics data, Gas Chromatography, References, Notes
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
AC - William E. Acree, Jr., James S. Chickos
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
Tboil | 196.8 | K | N/A | PCR Inc., 1990 | BS |
Tboil | 199. | K | N/A | Lazerte, Hals, et al., 1953 | Uncertainty assigned by TRC = 3. K; TRC |
Tboil | 196.7 | K | N/A | Ruff and Bretschneider, 1933 | Uncertainty assigned by TRC = 0.5 K; not clear whether directly measured or extrapolated; TRC |
Quantity | Value | Units | Method | Reference | Comment |
Tfus | 130.65 | K | N/A | Ruff and Bretschneider, 1933 | Uncertainty assigned by TRC = 0.5 K; TRC |
Quantity | Value | Units | Method | Reference | Comment |
Ttriple | 142.00 | K | N/A | Furukawa, McCoskey, et al., 1953 | Uncertainty assigned by TRC = 0.02 K; TRC |
Quantity | Value | Units | Method | Reference | Comment |
Tc | 307.4 | K | N/A | Lebedeva and Khodeeva, 1967 | TRC |
Quantity | Value | Units | Method | Reference | Comment |
ρc | 5.842 | mol/l | N/A | Lebedeva and Khodeeva, 1967 | Method as Lebedeva and Khodeeva Russ.J.Phys.Chem. 1961,35,1 sample stabilised with trimethylamine; TRC |
Enthalpy of vaporization
ΔvapH (kcal/mol) | Temperature (K) | Method | Reference | Comment |
---|---|---|---|---|
4.0203 | 197.53 | N/A | Furukawa, McCoskey, et al., 1953 | P = 101.325 kPa; DH |
4.02 | 258. | A | Stephenson and Malanowski, 1987 | Based on data from 197. to 273. K.; AC |
3.97 | 288. | A | Stephenson and Malanowski, 1987 | Based on data from 273. to 306. K.; AC |
4.45 | 193. | A | Stephenson and Malanowski, 1987 | Based on data from 142. to 208. K. See also Furukawa, Mccoskey, et al., 1953 and Boublik, Fried, et al., 1984.; AC |
Entropy of vaporization
ΔvapS (cal/mol*K) | Temperature (K) | Reference | Comment |
---|---|---|---|
20.35 | 197.53 | Furukawa, McCoskey, et al., 1953 | P; DH |
Antoine Equation Parameters
log10(P) = A − (B / (T + C))
P = vapor pressure (atm)
T = temperature (K)
View plot Requires a JavaScript / HTML 5 canvas capable browser.
Temperature (K) | A | B | C | Reference | Comment |
---|---|---|---|---|---|
141.99 to 208.40 | 4.02306 | 686.188 | -26.945 | Furukawa, McCoskey, et al., 1953 | Coefficents calculated by NIST from author's data. |
Enthalpy of fusion
ΔfusH (kcal/mol) | Temperature (K) | Reference | Comment |
---|---|---|---|
1.8438 | 142.00 | Furukawa, McCoskey, et al., 1953 | DH |
1.84 | 142. | Domalski and Hearing, 1996 | AC |
Entropy of fusion
ΔfusS (cal/mol*K) | Temperature (K) | Reference | Comment |
---|---|---|---|
12.99 | 142.00 | Furukawa, McCoskey, et al., 1953 | DH |
Henry's Law data
Go To: Top, Phase change data, Gas phase ion energetics data, Gas Chromatography, References, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Data compiled by: Rolf Sander
Henry's Law constant (water solution)
kH(T) = k°H exp(d(ln(kH))/d(1/T) ((1/T) - 1/(298.15 K)))
k°H = Henry's law constant for solubility in water at 298.15 K (mol/(kg*bar))
d(ln(kH))/d(1/T) = Temperature dependence constant (K)
k°H (mol/(kg*bar)) | d(ln(kH))/d(1/T) (K) | Method | Reference | Comment |
---|---|---|---|---|
0.0016 | Q | N/A | missing citation give several references for the Henry's law constants but don't assign them to specific species. | |
0.0016 | 2100. | L | N/A |
Gas phase ion energetics data
Go To: Top, Phase change data, Henry's Law data, Gas Chromatography, 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:
L - Sharon G. Lias
Data compiled as indicated in comments:
LL - Sharon G. Lias and Joel F. Liebman
LLK - Sharon G. Lias, Rhoda D. Levin, and Sherif A. Kafafi
RDSH - Henry M. Rosenstock, Keith Draxl, Bruce W. Steiner, and John T. Herron
View reactions leading to C2F4+ (ion structure unspecified)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
IE (evaluated) | 10.14 ± 0.07 | eV | N/A | N/A | L |
Ionization energy determinations
IE (eV) | Method | Reference | Comment |
---|---|---|---|
10.114 ± 0.010 | PI | Buckley, Johnson, et al., 1995 | LL |
10.14 ± 0.02 | PE | Bieri, Niessen, et al., 1981 | LLK |
10.14 | PE | Sell, Mintz, et al., 1978 | LLK |
10.32 | PE | Cullen, Frost, et al., 1972 | LLK |
10.10 | PE | Brundle, Robin, et al., 1972 | LLK |
10.11 | PE | Lake and Thompson, 1970 | RDSH |
10.12 ± 0.01 | PI | Walter, Lifshitz, et al., 1969 | RDSH |
10.12 | PI | Bralsford, Harris, et al., 1960 | RDSH |
10.69 ± 0.02 | PE | Bieri, Niessen, et al., 1981 | Vertical value; LLK |
10.56 ± 0.02 | PE | Sell and Kuppermann, 1979 | Vertical value; LLK |
10.52 | PE | Robin, Taylor, et al., 1973 | Vertical value; LLK |
Appearance energy determinations
Ion | AE (eV) | Other Products | Method | Reference | Comment |
---|---|---|---|---|---|
CF+ | 13.76 ± 0.01 | CF3 | PI | Walter, Lifshitz, et al., 1969 | RDSH |
CF2+ | 15.2 ± 0.1 | CF2 | EI | Syrvatka, Bel'ferman, et al., 1971 | LLK |
CF2+ | 14.63 ± 0.04 | CF2 | PI | Walter, Lifshitz, et al., 1969 | RDSH |
CF2+ | 15.0 ± 0.3 | CF2 | EI | Zmbov, Uy, et al., 1968 | RDSH |
CF2+ | 15.26 ± 0.05 | CF2 | EI | Pottie, 1965 | RDSH |
CF3+ | 13.70 ± 0.02 | CF | PI | Walter, Lifshitz, et al., 1969 | RDSH |
C2F3+ | 15.84 ± 0.02 | F | PI | Walter, Lifshitz, et al., 1969 | RDSH |
F+ | 29.5 ± 1.0 | ? | EI | Tikhomirov and Komarov, 1966 | RDSH |
Gas Chromatography
Go To: Top, Phase change data, Henry's Law 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.
Data compiled by: NIST Mass Spectrometry Data Center, William E. Wallace, director
Normal alkane RI, non-polar column, custom temperature program
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | Porapack Q | 177. | Zenkevich and Rodin, 2004 | Program: not specified |
Capillary | Porapack Q | 177. | Zenkevich and Rodin, 2004 | Program: not specified |
References
Go To: Top, Phase change data, Henry's Law data, Gas phase ion energetics data, Gas Chromatography, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
PCR Inc., 1990
PCR Inc.,
Research Chemicals Catalog 1990-1991, PCR Inc., Gainesville, FL, 1990, 1. [all data]
Lazerte, Hals, et al., 1953
Lazerte, J.D.; Hals, L.J.; Ried, T.S.; Smith, G.H.,
Pyrolyses of the Salts of the Perfluoro Carboxylic Acids,
J. Am. Chem. Soc., 1953, 75, 4525. [all data]
Ruff and Bretschneider, 1933
Ruff, O.; Bretschneider, O.,
The Preparation of Hexafluoroethane and Tetrafluoroethene from Tetrafluoromethane,
Z. Anorg. Allg. Chem., 1933, 210, 173. [all data]
Furukawa, McCoskey, et al., 1953
Furukawa, G.T.; McCoskey, R.E.; Reilly, M.L.,
Heat capacity, heats of fusion and vaporization, and vapor pressure of tetrafluoroethylene,
J. Res., 1953, NBS 51, 69-72. [all data]
Lebedeva and Khodeeva, 1967
Lebedeva, E.S.; Khodeeva, S.M.,
Liquid-Liquid-Gas Equilibrium in the System Tetrafluoroethylene-methanol,
Zh. Fiz. Khim., 1967, 41, 2081-3. [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]
Furukawa, Mccoskey, et al., 1953
Furukawa, G.T.; Mccoskey, R.E.; Reilly, M.L.,
Heat capacity, heats of fusion and vaporization, and vapor pressure of tetrafluoroethylene,
J. RES. NATL. BUR. STAN., 1953, 51, 2, 69, https://doi.org/10.6028/jres.051.007
. [all data]
Boublik, Fried, et al., 1984
Boublik, T.; Fried, V.; Hala, E.,
The Vapour Pressures of Pure Substances: Selected Values of the Temperature Dependence of the Vapour Pressures of Some Pure Substances in the Normal and Low Pressure Region, 2nd ed., Elsevier, New York, 1984, 972. [all data]
Domalski and Hearing, 1996
Domalski, Eugene S.; Hearing, Elizabeth D.,
Heat Capacities and Entropies of Organic Compounds in the Condensed Phase. Volume III,
J. Phys. Chem. Ref. Data, 1996, 25, 1, 1, https://doi.org/10.1063/1.555985
. [all data]
Buckley, Johnson, et al., 1995
Buckley, T.J.; Johnson, R.D.; Huie, R.E.; Zhang, Z.; Kuo, S.C.; Klemm, R.B.,
Ionization energies, appearance energies, and thermochemistry of CF2O and FCO,
J. Phys. Chem., 1995, 99, 4879. [all data]
Bieri, Niessen, et al., 1981
Bieri, G.; Niessen, W.V.; Asbrink, L.; Svensson, A.,
The He(II) photoelectron spectra of the fluorosubstituted ethylenes and their analysis by the green's function method,
Chem. Phys., 1981, 60, 61. [all data]
Sell, Mintz, et al., 1978
Sell, J.A.; Mintz, D.M.; Kupperman, A.,
Photoelectron angular distributions of carbon-carbon π electrons in ethylene, benzene, and their fluorinated derivatives,
Chem. Phys. Lett., 1978, 58, 601. [all data]
Cullen, Frost, et al., 1972
Cullen, W.R.; Frost, D.C.; Leeder, W.R.,
The ultraviolet and photoelectron spectra of some unsaturated fluorocarbon derivatives,
J. Fluorine Chem., 1972, 1, 227. [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]
Lake and Thompson, 1970
Lake, R.F.; Thompson, H.,
Photoelectron spectra of halogenated ethylenes,
Proc. Roy. Soc. (London), 1970, A315, 323. [all data]
Walter, Lifshitz, et al., 1969
Walter, T.A.; Lifshitz, C.; Chupka, W.A.; Berkowitz, J.,
Mass-spectrometric study of the photoionization of C2F4 and CF4,
J. Chem. Phys., 1969, 51, 3531. [all data]
Bralsford, Harris, et al., 1960
Bralsford, R.; Harris, P.V.; Price, W.C.,
The effect of fluorine on the electronic spectra and ionization potentials of molecules,
Proc. Roy. Soc. (London), 1960, A258, 459. [all data]
Sell and Kuppermann, 1979
Sell, J.A.; Kuppermann, A.,
Variable angle photoelectron spectroscopy of the fluoroethylenes,
J. Chem. Phys., 1979, 71, 4703. [all data]
Robin, Taylor, et al., 1973
Robin, M.B.; Taylor, G.N.; Kuebler, N.A.; Bach, R.D.,
Planarity of the carbon skeleton in various alkylated olefins,
J. Org. Chem., 1973, 38, 1049. [all data]
Syrvatka, Bel'ferman, et al., 1971
Syrvatka, B.G.; Bel'ferman, A.L.; Gil'burd, M.M.; Moin, F.B.,
Determination of the dissociation energy of the double bond in some fluorochloro-substituted ethylenes and their ions by electron bombardment,
J. Org. Chem. USSR, 1971, 7, 8, In original 9. [all data]
Zmbov, Uy, et al., 1968
Zmbov, K.F.; Uy, M.; Margrave, J.L.,
Mass spectrometric study of the high-temperature equilibrium C2F4 = 2CF2 and the heat of formation of the CF2 radical,
J. Am. Chem. Soc., 1968, 90, 5090. [all data]
Pottie, 1965
Pottie, R.F.,
Ionization potential and heat of formation of the difluoromethylene radical,
J. Chem. Phys., 1965, 42, 2607. [all data]
Tikhomirov and Komarov, 1966
Tikhomirov, M.V.; Komarov, V.N.,
Effect of the surface on the mass spectrum of tetrafluoroethylene and the appearance potential of F+,
Zh. Fiz. Khim., 1966, 40, 1392, In original 751. [all data]
Zenkevich and Rodin, 2004
Zenkevich, I.G.; Rodin, A.A.,
Gas chromatographic identification of some volatile toxic fluorine containing compounds by precalculated retention indices,
J. Ecol. Chem. (Rus.), 2004, 13, 1, 22-28. [all data]
Notes
Go To: Top, Phase change data, Henry's Law data, Gas phase ion energetics data, Gas Chromatography, References
- Symbols used in this document:
AE Appearance energy IE (evaluated) Recommended ionization energy Tboil Boiling point Tc Critical temperature Tfus Fusion (melting) point Ttriple Triple point temperature d(ln(kH))/d(1/T) Temperature dependence parameter for Henry's Law constant k°H Henry's Law constant at 298.15K ΔfusH Enthalpy of fusion ΔfusS Entropy of fusion ΔvapH Enthalpy of vaporization ΔvapS Entropy of vaporization ρc Critical density - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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