Ethene, 1,1-difluoro-
- Formula: C2H2F2
- Molecular weight: 64.0341
- IUPAC Standard InChI: InChI=1S/C2H2F2/c1-2(3)4/h1H2
- IUPAC Standard InChIKey: BQCIDUSAKPWEOX-UHFFFAOYSA-N
- CAS Registry Number: 75-38-7
- 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, 1,1-difluoro-; Genetron 1132a; Vinylidene difluoride; Vinylidene fluoride; 1,1-Difluoroethene; 1,1-Difluoroethylene; CH2=CF2; Halocarbon 1132A; NCI-C60208; UN 1959; VDF; FC 1132a
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Gas phase thermochemistry data
Go To: Top, IR Spectrum, 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
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔfH°gas | -344. ± 10. | kJ/mol | Ccb | Kolesov, Martynov, et al., 1962 | Reanalyzed by Cox and Pilcher, 1970, Original value = -333. ± 10. kJ/mol |
| ΔfH°gas | -325. ± 3. | kJ/mol | Ccr | Neugebauer and Margrave, 1957 | |
| ΔfH°gas | -334.0 ± 0.84 | kJ/mol | Ccb | Neugebauer and Margrave, 1956 | Reanalyzed by Cox and Pilcher, 1970, Original value = -324. ± 3. kJ/mol |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔcH°gas | -1087. ± 10. | kJ/mol | Ccb | Kolesov, Martynov, et al., 1962 | |
| ΔcH°gas | -1097. ± 3. | kJ/mol | Ccb | Neugebauer and Margrave, 1956 |
IR Spectrum
Go To: Top, Gas phase thermochemistry data, Gas Chromatography, References, Notes
Data compiled by: Coblentz Society, Inc.
- GAS (50 mmHg, N2 ADDED, TOTAL PRESSURE 600 mmHg); DOW KBr FOREPRISM-GRATING; DIGITIZED BY COBLENTZ SOCIETY (BATCH II) FROM HARD COPY; 2 cm-1 resolution
- SOLUTION, SATURATED (CCl4 FOR 3800-1330, CS2 FOR 1330-500 CM-1); DOW KBr FOREPRISM-GRATING; DIGITIZED BY COBLENTZ SOCIETY (BATCH I) FROM HARD COPY; 2 cm-1 resolution
Data compiled by: NIST Mass Spectrometry Data Center, William E. Wallace, director
Gas Chromatography
Go To: Top, Gas phase thermochemistry data, IR Spectrum, 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
Normal alkane RI, non-polar column, temperature ramp
| Column type | Active phase | I | Reference | Comment |
|---|---|---|---|---|
| Capillary | OV-101 | 214. | Zenkevich, 2005 | 25. m/0.20 mm/0.10 μm, N2/He, 6. K/min; Tstart: 50. C; Tend: 250. C |
Normal alkane RI, non-polar column, custom temperature program
| Column type | Active phase | I | Reference | Comment |
|---|---|---|---|---|
| Capillary | Porapack Q | 194. | Zenkevich and Rodin, 2004 | Program: not specified |
References
Go To: Top, Gas phase thermochemistry data, IR Spectrum, Gas Chromatography, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Kolesov, Martynov, et al., 1962
Kolesov, V.P.; Martynov, A.M.; Shtekher, S.M.; Skuratov, S.M.,
Standard enthalpies of formation of 1,1-difluoroethylene and of trifluoroethylene,
Russ. J. Phys. Chem. (Engl. Transl.), 1962, 36, 1118-1120. [all data]
Cox and Pilcher, 1970
Cox, J.D.; Pilcher, G.,
Thermochemistry of Organic and Organometallic Compounds, Academic Press, New York, 1970, 1-636. [all data]
Neugebauer and Margrave, 1957
Neugebauer, C.A.; Margrave, J.L.,
Heats of formation of the fluoromethanes and fluoroethylenes,
Tech. Rept., 1957, 1-45. [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]
Zenkevich, 2005
Zenkevich, I.G.,
Experimentally measured retention indices., 2005. [all data]
Zenkevich and Rodin, 2004
Zenkevich, I.G.; Rodin, A.A.,
Gas chromatographic identification of some volatile toxic fluorine containing compounds by precalculated retention indices,
J. Ecol. Chem. (Rus.), 2004, 13, 1, 22-28. [all data]
Notes
Go To: Top, Gas phase thermochemistry data, IR Spectrum, Gas Chromatography, References
- Symbols used in this document:
ΔcH°gas Enthalpy of combustion of gas at standard conditions ΔfH°gas Enthalpy of formation of gas at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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