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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Phase change 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:
BS - Robert L. Brown and Stephen E. Stein
TRC - Thermodynamics Research Center, NIST Boulder Laboratories, Chris Muzny director
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| Tboil | 385. to 386. | K | N/A | PCR Inc., 1990 | BS |
| Tboil | 386. | K | N/A | Emeleus and Hazeldine, 1949 | Uncertainty assigned by TRC = 2. K; TRC |
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
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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 |
References
Go To: Top, Phase change data, Reaction thermochemistry data, Gas phase ion energetics data, 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]
Emeleus and Hazeldine, 1949
Emeleus, H.J.; Hazeldine, R.N.,
Organometallic Fluorine Compounds I. The Synthesis of Trifluoromethyl and Pentafluoroethyl Mercurides,
J. Chem. Soc., 1949, 1949, 2948. [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]
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
Go To: Top, Phase change data, Reaction thermochemistry data, Gas phase ion energetics data, References
- Symbols used in this document:
Tboil Boiling point ΔrH° Enthalpy of reaction at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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