1,2-Diiodotetrafluoroethane

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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.

Data compiled by: Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein

Quantity Value Units Method Reference Comment
Δfgas-667. ± 3.kJ/molEqkWu, Pickard, et al., 1975Reanalyzed by Kolesov and Papina, 1983, Original value = -666. ± 2. kJ/mol; Spectrophotometery at 298.15°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 by: 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

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

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 compiled by: Sharon G. Lias, Rhoda D. Levin, and Sherif A. Kafafi

Ionization energy determinations

IE (eV) Method Reference Comment
10.11 ± 0.01PEChau and McDowell, 1976Vertical value

References

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Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

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]

Kolesov and Papina, 1983
Kolesov, V.P.; Papina, T.S., Thermochemistry of Haloethanes, Russ. Chem. Rev., 1983, 52, 425. [all data]

Chau and McDowell, 1976
Chau, F.T.; McDowell, C.A., Photoelectron spectra of 1,2-dibromo-1,1-difluoroethane, 1,2-bromochloroethane, and 1,2-dichloro-, 1,2-dibromo-, and 1,2-diiodotetrafluoroethane, J. Phys. Chem., 1976, 80, 2923. [all data]


Notes

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