Ethane, 1,2-dichloro-1,1,2,2-tetrafluoro-
- Formula: C2Cl2F4
- Molecular weight: 170.921
- IUPAC Standard InChIKey: DDMOUSALMHHKOS-UHFFFAOYSA-N
- CAS Registry Number: 76-14-2
- 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: Ethane, 1,2-dichlorotetrafluoro-; s-Dichlorotetrafluoroethane; Arcton 114; Arcton 33; Cryofluoran; Cryofluorane; F 114; Fluorocarbon 114; Freon 114; Frigen 114; Frigiderm; FC 114; Genetron 114; Genetron 316; Ledon 114; Propellant 114; R 114; Ucon 114; 1,1,2,2-Tetrafluoro-1,2-Dichloroethane; 1,2-Dichloro-1,1,2,2-tetrafluoroethane; (CF2Cl)2; 1,2-Dichlorotetrafluoroethane; Fluorane 114; Isotron 114; Refrigerant 114; sym-Dichlorotetrafluoroethane; Halocarbon 114; Halon 242; CFC-114; Dichloro-1,1,2,2-tetrafluoroethane; Refrigerant R114; F 114 (halocarbon); FKW 114; R 114 (halocarbon)
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Phase change data
Go To: Top, 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
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
AC - William E. Acree, Jr., James S. Chickos
DH - Eugene S. Domalski and Elizabeth D. Hearing
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
Tboil | 276.9 | K | N/A | PCR Inc., 1990 | BS |
Tboil | 275.44 | K | N/A | Krauss and Stephan, 1989 | Uncertainty assigned by TRC = 0.2 K; TRC |
Tboil | 277.3 | K | N/A | Weast and Grasselli, 1989 | BS |
Quantity | Value | Units | Method | Reference | Comment |
Ttriple | 179. | K | N/A | Krauss and Stephan, 1989 | Uncertainty assigned by TRC = 1.5 K; TRC |
Ttriple | 180.62 | K | N/A | Kolesov, Kosarukina, et al., 1981 | Crystal phase 1 phase; Uncertainty assigned by TRC = 0.02 K; TRC |
Quantity | Value | Units | Method | Reference | Comment |
Tc | 418.85 | K | N/A | Krauss and Stephan, 1989 | Uncertainty assigned by TRC = 0.3 K; TRC |
Tc | 418.85 | K | N/A | Okada, Uematsu, et al., 1986 | Uncertainty assigned by TRC = 0.04 K; Tc selected from literature to correlate density measurement; TRC |
Tc | 418.9 | K | N/A | Martin, 1960 | Uncertainty assigned by TRC = 0.33 K; TRC |
Quantity | Value | Units | Method | Reference | Comment |
Pc | 33.93 | bar | N/A | Krauss and Stephan, 1989 | Uncertainty assigned by TRC = 0.00006 bar; TRC |
Quantity | Value | Units | Method | Reference | Comment |
ρc | 3.404 | mol/l | N/A | Okada, Uematsu, et al., 1986 | Uncertainty assigned by TRC = 0.0034 mol/l; Density measured with magnetic densimeter. Tc, Dc selected from literature to correlate density measurements. R114, contained 0.05% 1,1-isomer; TRC |
Quantity | Value | Units | Method | Reference | Comment |
ΔvapH° | 23.2 ± 0.4 | kJ/mol | E | Erastov and Kolesov, 1986 | Correction of Papina and Kolesov, 1982; ALS |
ΔvapH° | 23.4 ± 0.42 | kJ/mol | C | Perlick, 1937 | ALS |
Enthalpy of vaporization
ΔvapH (kJ/mol) | Temperature (K) | Method | Reference | Comment |
---|---|---|---|---|
24.3 | 292. | A | Stephenson and Malanowski, 1987 | Based on data from 277. to 391. K.; AC |
25.1 | 262. | A | Stephenson and Malanowski, 1987 | Based on data from 210. to 277. K.; AC |
25.3 | 261. | N/A | Stull, 1947 | Based on data from 178. to 277. K.; AC |
Antoine Equation Parameters
log10(P) = A − (B / (T + C))
P = vapor pressure (bar)
T = temperature (K)
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Temperature (K) | A | B | C | Reference | Comment |
---|---|---|---|---|---|
177.8 to 276.7 | 3.99574 | 942.336 | -40.518 | Stull, 1947 | Coefficents calculated by NIST from author's data. |
276.7 to 414.1 | 4.15162 | 1031.026 | -27.911 | Stull, 1947 | Coefficents calculated by NIST from author's data. |
Enthalpy of fusion
ΔfusH (kJ/mol) | Temperature (K) | Reference | Comment |
---|---|---|---|
1.51 | 180.6 | Domalski and Hearing, 1996 | AC |
Enthalpy of phase transition
ΔHtrs (kJ/mol) | Temperature (K) | Initial Phase | Final Phase | Reference | Comment |
---|---|---|---|---|---|
1.212 | 109.3 | crystaline, III | crystaline, II | Kolesov, Kosarukina, et al., 1981, 2 | DH |
2.628 | 134.6 | crystaline, II | crystaline, I | Kolesov, Kosarukina, et al., 1981, 2 | DH |
1.510 | 180.62 | crystaline, I | liquid | Kolesov, Kosarukina, et al., 1981, 2 | DH |
Entropy of phase transition
ΔStrs (J/mol*K) | Temperature (K) | Initial Phase | Final Phase | Reference | Comment |
---|---|---|---|---|---|
11.09 | 109.3 | crystaline, III | crystaline, II | Kolesov, Kosarukina, et al., 1981, 2 | DH |
19.5 | 134.6 | crystaline, II | crystaline, I | Kolesov, Kosarukina, et al., 1981, 2 | DH |
8.36 | 180.62 | crystaline, I | liquid | Kolesov, Kosarukina, et al., 1981, 2 | DH |
References
Go To: Top, Phase change 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]
Krauss and Stephan, 1989
Krauss, R.; Stephan, K.,
Thermal Conductivity of Refrigerants in a Wide Range of Temperature and Pressure,
J. Phys. Chem. Ref. Data, 1989, 18, 43. [all data]
Weast and Grasselli, 1989
CRC Handbook of Data on Organic Compounds, 2nd Editon, Weast,R.C and Grasselli, J.G., ed(s)., CRC Press, Inc., Boca Raton, FL, 1989, 1. [all data]
Kolesov, Kosarukina, et al., 1981
Kolesov, V.P.; Kosarukina, E.A.; Zhogin, D.Yu.; Poloznikova, M.E.; Pentin, Y.A.,
Heat capacities, phase transitions, and thermodynamic functions of 1,1,2,2-tetrafluoro-1,2-dichloroethane and 1,1,2-trifluoro- 1,2,2-trichloroethane,
J. Chem. Thermodyn., 1981, 13, 115. [all data]
Okada, Uematsu, et al., 1986
Okada, M.; Uematsu, M.; Watanabe, K.,
Orthobaric liquid densities of trichloro-fluoromethane, dichlorodi-fluoromethane, chlorodifluoromethane, 1,1,2-trichlorotrifluoroethane, 1,2-dichlorotetrafluoroethane, and of the azeotropic mixtur,
J. Chem. Thermodyn., 1986, 18, 527. [all data]
Martin, 1960
Martin, J.J.,
Thermodynamic Properties of Dichlorotetrafluoroethane,
J. Chem. Eng. Data, 1960, 5, 334-336. [all data]
Erastov and Kolesov, 1986
Erastov, P.A.; Kolesov, V.P.,
The energy of combustion of liquid 1,2-dichlorotetrafluoroethane,
Thermochim. Acta, 1986, 109, 175-180. [all data]
Papina and Kolesov, 1982
Papina, T.S.; Kolesov, V.P.,
Standard enthalpy of formation of 1,2-dichlorotetrafluoroethane,
Petro. Chem. USSR, 1982, 56, 675-677, In original 1108. [all data]
Perlick, 1937
Perlick, A.,
Calorimetric investigations on dichloromethane, difluoromonochloroethane and tetrafluorodichloroethane,
Bull. Int. Inst. Refrig., 1937, 18, 1-9. [all data]
Stephenson and Malanowski, 1987
Stephenson, Richard M.; Malanowski, Stanislaw,
Handbook of the Thermodynamics of Organic Compounds, 1987, https://doi.org/10.1007/978-94-009-3173-2
. [all data]
Stull, 1947
Stull, Daniel R.,
Vapor Pressure of Pure Substances. Organic and Inorganic Compounds,
Ind. Eng. Chem., 1947, 39, 4, 517-540, https://doi.org/10.1021/ie50448a022
. [all data]
Domalski and Hearing, 1996
Domalski, Eugene S.; Hearing, Elizabeth D.,
Heat Capacities and Entropies of Organic Compounds in the Condensed Phase. Volume III,
J. Phys. Chem. Ref. Data, 1996, 25, 1, 1, https://doi.org/10.1063/1.555985
. [all data]
Kolesov, Kosarukina, et al., 1981, 2
Kolesov, V.P.; Kosarukina, E.A.; Zhogin, D.Yu.; Poloznikova, M.E.; Pentin, Yu.A.,
Heat capacities, phase transitions, and thermodynamic functions of 1,1,2,2,-tetrafluoro-1,2-dichloroethane and 1,1,3-trifluoro-1,2,2-trichloroethane,
J. Chem. Thermodynam., 1981, 13, 115-129. [all data]
Notes
Go To: Top, Phase change data, References
- Symbols used in this document:
Pc Critical pressure Tboil Boiling point Tc Critical temperature Ttriple Triple point temperature ΔHtrs Enthalpy of phase transition ΔStrs Entropy of phase transition ΔfusH Enthalpy of fusion ΔvapH Enthalpy of vaporization ΔvapH° Enthalpy of vaporization at standard conditions ρc Critical density - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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