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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Condensed phase thermochemistry data
Go To: Top, Reaction thermochemistry data, Ion clustering data, Mass spectrum (electron ionization), 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: Eugene S. Domalski and Elizabeth D. Hearing
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
S°liquid | 184.23 | J/mol*K | N/A | Furukawa, McCoskey, et al., 1953 |
Constant pressure heat capacity of liquid
Cp,liquid (J/mol*K) | Temperature (K) | Reference | Comment |
---|---|---|---|
112.77 | 200. | Furukawa, McCoskey, et al., 1953 | T = 6 to 210 K. |
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
MS - José A. Martinho Simões
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
+ = C2ClF4-
By formula: Cl- + C2F4 = C2ClF4-
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | >41.84 | kJ/mol | TDAs | Hiraoka, Mochizuki, et al., 2008 | gas phase; Entropy estimated. The experimental HOF of C2F4 has been quiestioned as being too positive: Curtiss, Raghavachari, et al., 7374, 11CHA/DEN; B |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 10.7 | kJ/mol | TDAs | Hiraoka, Mochizuki, et al., 2008 | gas phase; Entropy estimated. The experimental HOF of C2F4 has been quiestioned as being too positive: Curtiss, Raghavachari, et al., 7374, 11CHA/DEN; B |
+ = C2BrF4-
By formula: Br- + C2F4 = C2BrF4-
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 29.7 ± 2.1 | kJ/mol | TDAs | Hiraoka, Mochizuki, et al., 2008 | gas phase; The experimental HOF of C2F4 has been questioned as being too positive: Curtiss, Raghavachari, et al., 7374, 11CHA/DEN; B |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 9.7 ± 2.1 | kJ/mol | TDAs | Hiraoka, Mochizuki, et al., 2008 | gas phase; The experimental HOF of C2F4 has been questioned as being too positive: Curtiss, Raghavachari, et al., 7374, 11CHA/DEN; B |
C7CrF4O5 (g) = (g) + C5CrO5 (g)
By formula: C7CrF4O5 (g) = C2F4 (g) + C5CrO5 (g)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 82.4 ± 5.9 | kJ/mol | KinG | Wells, House, et al., 1994 | The reaction enthalpy relies on the measured activation energy and on the assumption of a negligible barrier for product recombination Wells, House, et al., 1994.; MS |
By formula: C2ClF4- + 2C2F4 = C4ClF8-
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 27.6 ± 2.1 | kJ/mol | TDAs | Hiraoka, Mochizuki, et al., 2008 | gas phase; B |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 7.7 ± 2.1 | kJ/mol | TDAs | Hiraoka, Mochizuki, et al., 2008 | gas phase; B |
By formula: C4ClF8- + 3C2F4 = C6ClF12-
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 26.4 ± 2.1 | kJ/mol | TDAs | Hiraoka, Mochizuki, et al., 2008 | gas phase; B |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 2.7 ± 2.1 | kJ/mol | TDAs | Hiraoka, Mochizuki, et al., 2008 | gas phase; B |
By formula: C6ClF12- + 4C2F4 = C8ClF16-
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 25.1 ± 2.1 | kJ/mol | TDAs | Hiraoka, Mochizuki, et al., 2008 | gas phase; B |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 0.2 ± 2.1 | kJ/mol | TDAs | Hiraoka, Mochizuki, et al., 2008 | gas phase; B |
By formula: C2BrF4- + 2C2F4 = C4BrF8-
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 25.1 ± 2.1 | kJ/mol | TDAs | Hiraoka, Mochizuki, et al., 2008 | gas phase; B |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 3.9 ± 2.1 | kJ/mol | TDAs | Hiraoka, Mochizuki, et al., 2008 | gas phase; B |
By formula: HBr + C2F4 = C2HBrF4
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | -137.75 ± 0.75 | kJ/mol | Cm | Lacher, Lea, et al., 1950 | gas phase; Heat of hydrobromination at 367°K; ALS |
By formula: C2F4I2 = C2F4 + I2
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 69. ± 2. | kJ/mol | Eqk | Wu, Pickard, et al., 1975 | gas phase; Spectrophotometery at 298.15°K; ALS |
By formula: C2F4 + Cl2 = C2Cl2F4
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | -239.84 ± 0.84 | kJ/mol | Cm | Lacher, McKinley, et al., 1949 | gas phase; Chlorination at 90 C; ALS |
By formula: C2F4 + 2H2 = 2C + 4HF
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | -618.4 ± 4.6 | kJ/mol | Chyd | Neugebauer and Margrave, 1956 | gas phase; ALS |
By formula: C2F4 + Br2 = C2Br2F4
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | -161.0 | kJ/mol | Cm | Lacher, Casali, et al., 1956 | gas phase; Heat of bromination; ALS |
By formula: C2F4 + 4Na = 4FNa + 2C
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | -1611. ± 4.6 | kJ/mol | Cm | Kolesov, Zenkov, et al., 1962 | gas phase; ALS |
By formula: 2CHClF2 = C2F4 + 2HCl
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 121.6 | kJ/mol | Kin | Edwards and Small, 1965 | gas phase; Corrected for CODATA value of ΔfH; ALS |
By formula: 2C2F4 = C4F8
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | -210. | kJ/mol | Eqk | Atkinson and Trenwith, 1953 | gas phase; At 527-800 °K; ALS |
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | -1037.3 | kJ/mol | Ccb | Domalski and Armstrong, 1967 | solid phase; ALS |
By formula: C2Br2F4 = C2F4 + Br2
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 160.99 | kJ/mol | Cm | Lacher, Casali, et al., 1956 | gas phase; ALS |
Ion clustering 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: John E. Bartmess
Note: Please consider using the reaction search for this species. This page allows searching of all reactions involving this species. Searches may be limited to ion clustering reactions. A general reaction search form is also available.
Clustering reactions
+ = C2BrF4-
By formula: Br- + C2F4 = C2BrF4-
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 29.7 ± 2.1 | kJ/mol | TDAs | Hiraoka, Mochizuki, et al., 2008 | gas phase; The experimental HOF of C2F4 has been questioned as being too positive: Curtiss, Raghavachari, et al., 7374, 11CHA/DEN |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 9.7 ± 2.1 | kJ/mol | TDAs | Hiraoka, Mochizuki, et al., 2008 | gas phase; The experimental HOF of C2F4 has been questioned as being too positive: Curtiss, Raghavachari, et al., 7374, 11CHA/DEN |
By formula: C2BrF4- + 2C2F4 = C4BrF8-
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 25.1 ± 2.1 | kJ/mol | TDAs | Hiraoka, Mochizuki, et al., 2008 | gas phase |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 3.9 ± 2.1 | kJ/mol | TDAs | Hiraoka, Mochizuki, et al., 2008 | gas phase |
By formula: C2ClF4- + 2C2F4 = C4ClF8-
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 27.6 ± 2.1 | kJ/mol | TDAs | Hiraoka, Mochizuki, et al., 2008 | gas phase |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 7.7 ± 2.1 | kJ/mol | TDAs | Hiraoka, Mochizuki, et al., 2008 | gas phase |
By formula: C4ClF8- + 3C2F4 = C6ClF12-
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 26.4 ± 2.1 | kJ/mol | TDAs | Hiraoka, Mochizuki, et al., 2008 | gas phase |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 2.7 ± 2.1 | kJ/mol | TDAs | Hiraoka, Mochizuki, et al., 2008 | gas phase |
By formula: C6ClF12- + 4C2F4 = C8ClF16-
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 25.1 ± 2.1 | kJ/mol | TDAs | Hiraoka, Mochizuki, et al., 2008 | gas phase |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 0.2 ± 2.1 | kJ/mol | TDAs | Hiraoka, Mochizuki, et al., 2008 | gas phase |
+ = C2ClF4-
By formula: Cl- + C2F4 = C2ClF4-
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | >41.84 | kJ/mol | TDAs | Hiraoka, Mochizuki, et al., 2008 | gas phase; Entropy estimated. The experimental HOF of C2F4 has been quiestioned as being too positive: Curtiss, Raghavachari, et al., 7374, 11CHA/DEN |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 10.7 | kJ/mol | TDAs | Hiraoka, Mochizuki, et al., 2008 | gas phase; Entropy estimated. The experimental HOF of C2F4 has been quiestioned as being too positive: Curtiss, Raghavachari, et al., 7374, 11CHA/DEN |
Mass spectrum (electron ionization)
Go To: Top, Condensed phase thermochemistry data, Reaction thermochemistry data, Ion clustering 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
Spectrum
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Additional Data
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Due to licensing restrictions, this spectrum cannot be downloaded.
Owner | NIST Mass Spectrometry Data Center Collection (C) 2014 copyright by the U.S. Secretary of Commerce on behalf of the United States of America. All rights reserved. |
---|---|
NIST MS number | 19857 |
References
Go To: Top, Condensed phase thermochemistry data, Reaction thermochemistry data, Ion clustering data, Mass spectrum (electron ionization), Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
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]
Hiraoka, Mochizuki, et al., 2008
Hiraoka, K.; Mochizuki, N.; Wada, A.; Okada, H.; Ichikawa, T.; Asakawa, D.; Yazawa, I.,
Gas-phase ion/molecule reactions in C2F4,
Int. J. Mass Spectrom., 2008, 272, 1, 22-28, https://doi.org/10.1016/j.ijms.2007.12.013
. [all data]
Curtiss, Raghavachari, et al., 7374
Curtiss, L.A.; Raghavachari, K.; Redfern, P.C.; Pople, J.A.,
Assesment of Gaussian-3 and density Functional Theories for a larger experimental test set, J. Chem. Phys. 112 (2000), 7374. [all data]
Wells, House, et al., 1994
Wells, J.R.; House, P.G.; Weitz, E.,
J. Phys. Chem., 1994, 98, 8343. [all data]
Lacher, Lea, et al., 1950
Lacher, J.R.; Lea, K.R.; Walden, C.H.; Olson, G.G.; Park, J.D.,
Reaction heats of organic fluorine compounds. III. The vapor phase heats of hydrobromination of some simple fluoroolefins,
J. Am. Chem. Soc., 1950, 72, 3231-3234. [all data]
Wu, Pickard, et al., 1975
Wu, E.C.; Pickard, J.M.; Rodgers, A.S.,
Thermochemistry of the gas-phase reaction tetrafluoroethylene + iodine = 1,2-diiodoperfluoroethane. Heat of formation of 1,2-diiodoperfluoroethane and of iodoperfluoroethane,
J. Phys. Chem., 1975, 79, 1078-1081. [all data]
Lacher, McKinley, et al., 1949
Lacher, J.R.; McKinley, J.J.; Snow, C.M.; Michel, L.; Nelson, G.; Park, J.D.,
Reaction heats of organic fluorine compounds. I. Apparatus and the heat of chlorination of tetrafluoroethylene,
J. Am. Chem. Soc., 1949, 71, 1330-1334. [all data]
Neugebauer and Margrave, 1956
Neugebauer, C.A.; Margrave, J.L.,
The heats of formation of tetrafluoroethylene, tetrafluoromethane and 1,1-difluoroethylene,
J. Phys. Chem., 1956, 60, 1318-1321. [all data]
Lacher, Casali, et al., 1956
Lacher, J.R.; Casali, L.; Park, J.D.,
Reaction heats of organic halogen compounds V. The vapor phase bromination of tetrafluoroethylene and trifluorochloroethylene,
J. Phys. Chem., 1956, 60, 608-610. [all data]
Kolesov, Zenkov, et al., 1962
Kolesov, V.P.; Zenkov, I.D.; Skuratov, S.M.,
The standard enthalpy of formation of tetrafluoroethylene,
Russ. J. Phys. Chem. (Engl. Transl.), 1962, 36, 45-47. [all data]
Edwards and Small, 1965
Edwards, J.W.; Small, P.A.,
Kinetics of the pyrolysis of chlorodifluoromethane,
Ind. Eng. Chem. Fundam., 1965, 4, 396-400. [all data]
Atkinson and Trenwith, 1953
Atkinson, B.; Trenwith, A.B.,
424. The thermal decomposition of tetrafluorethylene,
J. Chem. Soc. London, 1953, 2082-2087. [all data]
Domalski and Armstrong, 1967
Domalski, E.S.; Armstrong, G.T.,
The heats of combustion of polytetrafluoroethylene (teflon) and graphite in elemental fluorine,
J. Res. NBS, 1967, 71, 105-118. [all data]
Notes
Go To: Top, Condensed phase thermochemistry data, Reaction thermochemistry data, Ion clustering data, Mass spectrum (electron ionization), References
- Symbols used in this document:
Cp,liquid Constant pressure heat capacity of liquid S°liquid Entropy of liquid at standard conditions ΔrG° Free energy of reaction at standard conditions ΔrH° Enthalpy of reaction at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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