1,2-Diiodotetrafluoroethane
- Formula: C2F4I2
- Molecular weight: 353.8240
- IUPAC Standard InChI: InChI=1S/C2F4I2/c3-1(4,7)2(5,6)8
- IUPAC Standard InChIKey: NZXVPCQHQVWOFD-UHFFFAOYSA-N
- CAS Registry Number: 354-65-4
- 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: 1,1,2,2-tetrafluoro-1,2-diiodoethane
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Reaction thermochemistry data
Go To: Top, 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: Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
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Individual Reactions
=
+
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 |
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 ± 0.01 | PE | Chau and McDowell, 1976 | Vertical value |
Gas Chromatography
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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: NIST Mass Spectrometry Data Center, William E. Wallace, director
Kovats' RI, non-polar column, isothermal
| Column type | Active phase | Temperature (C) | I | Reference | Comment |
|---|---|---|---|---|---|
| Capillary | OV-101 | 140. | 790. | Boneva and Kotov, 1988 | Column length: 100. m; Column diameter: 0.27 mm |
| Capillary | OV-101 | 150. | 791. | Boneva and Kotov, 1988 | Column length: 100. m; Column diameter: 0.27 mm |
| Capillary | OV-101 | 160. | 794. | Boneva and Kotov, 1988 | Column length: 100. m; Column diameter: 0.27 mm |
References
Go To: Top, Reaction thermochemistry 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.
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]
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]
Boneva and Kotov, 1988
Boneva, S.; Kotov, St.,
Separation and Identification of α,ω-Diidoperfluoroalkanes in Gas Chromatography,
Chromatographia, 1988, 25, 8, 735-736, https://doi.org/10.1007/BF02290482
. [all data]
Notes
Go To: Top, Reaction thermochemistry data, Gas phase ion energetics data, Gas Chromatography, References
- Symbols used in this document:
ΔrH° Enthalpy of reaction at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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