Ethene, 2-chloro-1,1-difluoro-
- Formula: C2HClF2
- Molecular weight: 98.479
- IUPAC Standard InChI: InChI=1S/C2HClF2/c3-1-2(4)5/h1H
- IUPAC Standard InChIKey: HTHNTJCVPNKCPZ-UHFFFAOYSA-N
- CAS Registry Number: 359-10-4
- Chemical structure:
This structure is also available as a 2d Mol file or as a computed 3d SD file
View 3d structure (requires JavaScript / HTML 5) - Other names: Ethylene, 2-chloro-1,1-difluoro-; Chloro-1,1-difluoroethylene; 1,1-Difluorochloroethylene; 2-Chloro-1,1-difluoroethylene; CF2=CHCl; 2,2-Difluoro-1-chloroethene; 1,1-Difluoro-2-chloroethylene; F 1122; FC 1122; HCFC 1122; R 1122; Ethene, 1,1-difluoro-2-chloro
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Phase change data
Go To: Top, Gas phase ion energetics 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 as indicated in comments:
BS - Robert L. Brown and Stephen E. Stein
TRC - Thermodynamics Research Center, NIST Boulder Laboratories, Chris Muzny director
AC - William E. Acree, Jr., James S. Chickos
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| Tboil | 256. | K | N/A | Farchan Laboratories, 1990 | BS |
| Quantity | Value | Units | Method | Reference | Comment |
| Tc | 400.55 | K | N/A | Mears, Stahl, et al., 1955 | Uncertainty assigned by TRC = 0.7 K; by sealed tube method; TRC |
| Quantity | Value | Units | Method | Reference | Comment |
| Pc | 44.0256 | atm | N/A | Mears, Stahl, et al., 1955 | Uncertainty assigned by TRC = 1.0888 atm; from vapor pressure equation at Tc; TRC |
| Quantity | Value | Units | Method | Reference | Comment |
| ρc | 5.07 | mol/l | N/A | Mears, Stahl, et al., 1955 | Uncertainty assigned by TRC = 0.15 mol/l; rectilinear diameters; TRC |
Enthalpy of vaporization
| ΔvapH (kcal/mol) | Temperature (K) | Method | Reference | Comment |
|---|---|---|---|---|
| 5.62 | 233. | BG | Mears, Stahl, et al., 1955, 2 | AC |
| 5.11 | 273. | BG | Mears, Stahl, et al., 1955, 2 | AC |
| 4.42 | 313. | BG | Mears, Stahl, et al., 1955, 2 | AC |
| 3.37 | 353. | BG | Mears, Stahl, et al., 1955, 2 | AC |
Gas phase ion energetics data
Go To: Top, Phase change data, References, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Data evaluated as indicated in comments:
L - Sharon G. Lias
Data compiled as indicated in comments:
LLK - Sharon G. Lias, Rhoda D. Levin, and Sherif A. Kafafi
RDSH - Henry M. Rosenstock, Keith Draxl, Bruce W. Steiner, and John T. Herron
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| IE (evaluated) | 9.80 ± 0.04 | eV | N/A | N/A | L |
Ionization energy determinations
| IE (eV) | Method | Reference | Comment |
|---|---|---|---|
| 9.76 | S | Scott and Russell, 1972 | LLK |
| 9.84 | PE | Lake and Thompson, 1970 | RDSH |
References
Go To: Top, Phase change 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.
Farchan Laboratories, 1990
Farchan Laboratories,
Research Chemicals Catalog, Farchan Laboratories, Gainesville, FL, 1990, 91. [all data]
Mears, Stahl, et al., 1955
Mears, W.H.; Stahl, R.F.; Orfeo, S.R.; Shair, R.C.; Kells, L.F.; Thompson, W.; McCann, H.,
Thermodynamic Properties of Halogenated Ethanes and Ethylenes,
Ind. Eng. Chem., 1955, 47, 1449. [all data]
Mears, Stahl, et al., 1955, 2
Mears, Whitney H.; Stahl, Richard F.; Orfeo, S. Robert; Shair, Robert C.; Kells, Lyman F.; Thompson, Walter; McCann, Harold,
Thermodynamic Properties of Halogenated Ethanes and Ethylenes,
Ind. Eng. Chem., 1955, 47, 7, 1449-1454, https://doi.org/10.1021/ie50547a052
. [all data]
Scott and Russell, 1972
Scott, J.D.; Russell, B.R.,
Vacuum-ultraviolet spectral studies of several chlorofluoroethylenes,
J. Am. Chem. Soc., 1972, 94, 2634. [all data]
Lake and Thompson, 1970
Lake, R.F.; Thompson, H.,
Photoelectron spectra of halogenated ethylenes,
Proc. Roy. Soc. (London), 1970, A315, 323. [all data]
Notes
Go To: Top, Phase change data, Gas phase ion energetics data, References
- Symbols used in this document:
IE (evaluated) Recommended ionization energy Pc Critical pressure Tboil Boiling point Tc Critical temperature ΔvapH Enthalpy of vaporization ρc Critical density - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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