Ethene, tetrafluoro-

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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
liquid184.23J/mol*KN/AFurukawa, McCoskey, et al., 1953 

Constant pressure heat capacity of liquid

Cp,liquid (J/mol*K) Temperature (K) Reference Comment
112.77200.Furukawa, McCoskey, et al., 1953T = 6 to 210 K.

Reaction thermochemistry data

Go To: Top, Condensed phase 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 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

Chlorine anion + Ethene, tetrafluoro- = C2ClF4-

By formula: Cl- + C2F4 = C2ClF4-

Quantity Value Units Method Reference Comment
Δr>41.84kJ/molTDAsHiraoka, Mochizuki, et al., 2008gas 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
Δr10.7kJ/molTDAsHiraoka, Mochizuki, et al., 2008gas phase; Entropy estimated. The experimental HOF of C2F4 has been quiestioned as being too positive: Curtiss, Raghavachari, et al., 7374, 11CHA/DEN; B

Bromine anion + Ethene, tetrafluoro- = C2BrF4-

By formula: Br- + C2F4 = C2BrF4-

Quantity Value Units Method Reference Comment
Δr29.7 ± 2.1kJ/molTDAsHiraoka, Mochizuki, et al., 2008gas 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
Δr9.7 ± 2.1kJ/molTDAsHiraoka, Mochizuki, et al., 2008gas phase; The experimental HOF of C2F4 has been questioned as being too positive: Curtiss, Raghavachari, et al., 7374, 11CHA/DEN; B

C7CrF4O5 (g) = Ethene, tetrafluoro- (g) + C5CrO5 (g)

By formula: C7CrF4O5 (g) = C2F4 (g) + C5CrO5 (g)

Quantity Value Units Method Reference Comment
Δr82.4 ± 5.9kJ/molKinGWells, House, et al., 1994The 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

C2ClF4- + 2Ethene, tetrafluoro- = C4ClF8-

By formula: C2ClF4- + 2C2F4 = C4ClF8-

Quantity Value Units Method Reference Comment
Δr27.6 ± 2.1kJ/molTDAsHiraoka, Mochizuki, et al., 2008gas phase; B
Quantity Value Units Method Reference Comment
Δr7.7 ± 2.1kJ/molTDAsHiraoka, Mochizuki, et al., 2008gas phase; B

C4ClF8- + 3Ethene, tetrafluoro- = C6ClF12-

By formula: C4ClF8- + 3C2F4 = C6ClF12-

Quantity Value Units Method Reference Comment
Δr26.4 ± 2.1kJ/molTDAsHiraoka, Mochizuki, et al., 2008gas phase; B
Quantity Value Units Method Reference Comment
Δr2.7 ± 2.1kJ/molTDAsHiraoka, Mochizuki, et al., 2008gas phase; B

C6ClF12- + 4Ethene, tetrafluoro- = C8ClF16-

By formula: C6ClF12- + 4C2F4 = C8ClF16-

Quantity Value Units Method Reference Comment
Δr25.1 ± 2.1kJ/molTDAsHiraoka, Mochizuki, et al., 2008gas phase; B
Quantity Value Units Method Reference Comment
Δr0.2 ± 2.1kJ/molTDAsHiraoka, Mochizuki, et al., 2008gas phase; B

C2BrF4- + 2Ethene, tetrafluoro- = C4BrF8-

By formula: C2BrF4- + 2C2F4 = C4BrF8-

Quantity Value Units Method Reference Comment
Δr25.1 ± 2.1kJ/molTDAsHiraoka, Mochizuki, et al., 2008gas phase; B
Quantity Value Units Method Reference Comment
Δr3.9 ± 2.1kJ/molTDAsHiraoka, Mochizuki, et al., 2008gas phase; B

Hydrogen bromide + Ethene, tetrafluoro- = 1-Bromo-1,1,2,2-tetrafluoroethane

By formula: HBr + C2F4 = C2HBrF4

Quantity Value Units Method Reference Comment
Δr-137.75 ± 0.75kJ/molCmLacher, Lea, et al., 1950gas phase; Heat of hydrobromination at 367°K; ALS

1,2-Diiodotetrafluoroethane = Ethene, tetrafluoro- + Iodine

By formula: C2F4I2 = C2F4 + I2

Quantity Value Units Method Reference Comment
Δr69. ± 2.kJ/molEqkWu, Pickard, et al., 1975gas phase; Spectrophotometery at 298.15°K; ALS

Ethene, tetrafluoro- + Chlorine = Ethane, 1,2-dichloro-1,1,2,2-tetrafluoro-

By formula: C2F4 + Cl2 = C2Cl2F4

Quantity Value Units Method Reference Comment
Δr-239.84 ± 0.84kJ/molCmLacher, McKinley, et al., 1949gas phase; Chlorination at 90 C; ALS

Ethene, tetrafluoro- + 2Hydrogen = 2carbon + 4hydrogen fluoride

By formula: C2F4 + 2H2 = 2C + 4HF

Quantity Value Units Method Reference Comment
Δr-618.4 ± 4.6kJ/molChydNeugebauer and Margrave, 1956gas phase; ALS

Ethene, tetrafluoro- + Bromine = 1,2-Dibromotetrafluoroethane

By formula: C2F4 + Br2 = C2Br2F4

Quantity Value Units Method Reference Comment
Δr-161.0kJ/molCmLacher, Casali, et al., 1956gas phase; Heat of bromination; ALS

Ethene, tetrafluoro- + 4sodium = 4sodium fluoride + 2Carbon

By formula: C2F4 + 4Na = 4FNa + 2C

Quantity Value Units Method Reference Comment
Δr-1611. ± 4.6kJ/molCmKolesov, Zenkov, et al., 1962gas phase; ALS

2Difluorochloromethane = Ethene, tetrafluoro- + 2Hydrogen chloride

By formula: 2CHClF2 = C2F4 + 2HCl

Quantity Value Units Method Reference Comment
Δr121.6kJ/molKinEdwards and Small, 1965gas phase; Corrected for CODATA value of ΔfH; ALS

2Ethene, tetrafluoro- = Cyclobutane, octafluoro-

By formula: 2C2F4 = C4F8

Quantity Value Units Method Reference Comment
Δr-210.kJ/molEqkAtkinson and Trenwith, 1953gas phase; At 527-800 °K; ALS

Ethene, tetrafluoro- + 2fluorine = 2Tetrafluoromethane

By formula: C2F4 + 2F2 = 2CF4

Quantity Value Units Method Reference Comment
Δr-1037.3kJ/molCcbDomalski and Armstrong, 1967solid phase; ALS

1,2-Dibromotetrafluoroethane = Ethene, tetrafluoro- + Bromine

By formula: C2Br2F4 = C2F4 + Br2

Quantity Value Units Method Reference Comment
Δr160.99kJ/molCmLacher, Casali, et al., 1956gas phase; ALS

Ion clustering data

Go To: Top, Condensed phase thermochemistry data, Reaction thermochemistry 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: 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

Bromine anion + Ethene, tetrafluoro- = C2BrF4-

By formula: Br- + C2F4 = C2BrF4-

Quantity Value Units Method Reference Comment
Δr29.7 ± 2.1kJ/molTDAsHiraoka, Mochizuki, et al., 2008gas 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
Δr9.7 ± 2.1kJ/molTDAsHiraoka, Mochizuki, et al., 2008gas phase; The experimental HOF of C2F4 has been questioned as being too positive: Curtiss, Raghavachari, et al., 7374, 11CHA/DEN

C2BrF4- + 2Ethene, tetrafluoro- = C4BrF8-

By formula: C2BrF4- + 2C2F4 = C4BrF8-

Quantity Value Units Method Reference Comment
Δr25.1 ± 2.1kJ/molTDAsHiraoka, Mochizuki, et al., 2008gas phase
Quantity Value Units Method Reference Comment
Δr3.9 ± 2.1kJ/molTDAsHiraoka, Mochizuki, et al., 2008gas phase

C2ClF4- + 2Ethene, tetrafluoro- = C4ClF8-

By formula: C2ClF4- + 2C2F4 = C4ClF8-

Quantity Value Units Method Reference Comment
Δr27.6 ± 2.1kJ/molTDAsHiraoka, Mochizuki, et al., 2008gas phase
Quantity Value Units Method Reference Comment
Δr7.7 ± 2.1kJ/molTDAsHiraoka, Mochizuki, et al., 2008gas phase

C4ClF8- + 3Ethene, tetrafluoro- = C6ClF12-

By formula: C4ClF8- + 3C2F4 = C6ClF12-

Quantity Value Units Method Reference Comment
Δr26.4 ± 2.1kJ/molTDAsHiraoka, Mochizuki, et al., 2008gas phase
Quantity Value Units Method Reference Comment
Δr2.7 ± 2.1kJ/molTDAsHiraoka, Mochizuki, et al., 2008gas phase

C6ClF12- + 4Ethene, tetrafluoro- = C8ClF16-

By formula: C6ClF12- + 4C2F4 = C8ClF16-

Quantity Value Units Method Reference Comment
Δr25.1 ± 2.1kJ/molTDAsHiraoka, Mochizuki, et al., 2008gas phase
Quantity Value Units Method Reference Comment
Δr0.2 ± 2.1kJ/molTDAsHiraoka, Mochizuki, et al., 2008gas phase

Chlorine anion + Ethene, tetrafluoro- = C2ClF4-

By formula: Cl- + C2F4 = C2ClF4-

Quantity Value Units Method Reference Comment
Δr>41.84kJ/molTDAsHiraoka, Mochizuki, et al., 2008gas 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
Δr10.7kJ/molTDAsHiraoka, Mochizuki, et al., 2008gas 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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NIST MS number 19857

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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