1,1'-Biphenyl, 2,2'-dichloro-
- Formula: C12H8Cl2
- Molecular weight: 223.098
- IUPAC Standard InChI: InChI=1S/C12H8Cl2/c13-11-7-3-1-5-9(11)10-6-2-4-8-12(10)14/h1-8H
- IUPAC Standard InChIKey: JAYCNKDKIKZTAF-UHFFFAOYSA-N
- CAS Registry Number: 13029-08-8
- 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: Biphenyl, 2,2'-dichloro-; O,O'-Dichlorobiphenyl; 2,2'-Dichlorobiphenyl; 2,2'-Dichlorodiphenyl; 2,2'-Dichloro-1,1'-biphenyl; 2,2'-Dichlorbiphenyl; PCB 4
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Gas phase thermochemistry data
Go To: Top, Condensed phase thermochemistry data, 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 compiled by: Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔfH°gas | 127.9 ± 4.8 | kJ/mol | Ccr | Smith, Gorin, et al., 1964 | Reanalyzed by Cox and Pilcher, 1970, Original value = 127. kJ/mol |
Condensed phase thermochemistry data
Go To: Top, Gas phase thermochemistry data, 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 compiled by: Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔfH°solid | 31.7 ± 2.3 | kJ/mol | Ccr | Smith, Gorin, et al., 1964 | Reanalyzed by Cox and Pilcher, 1970, Original value = 30.9 kJ/mol |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔcH°solid | -5941.5 ± 1.7 | kJ/mol | Ccr | Smith, Gorin, et al., 1964 | |
| ΔcH°solid | -5831.91 | kJ/mol | Ccb | Brull, 1935 |
Phase change data
Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry 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:
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
AC - William E. Acree, Jr., James S. Chickos
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔsubH° | 96.2 ± 4.2 | kJ/mol | V | Smith, Gorin, et al., 1964 | ALS |
| ΔsubH° | 96.2 ± 4.2 | kJ/mol | ME | Smith, Gorin, et al., 1964 | Based on data from 310. to 328. K. See also Cox and Pilcher, 1970, 2 and Stephenson and Malanowski, 1987.; AC |
Enthalpy of sublimation
| ΔsubH (kJ/mol) | Temperature (K) | Method | Reference | Comment |
|---|---|---|---|---|
| 87.8 ± 1.2 | 313. | ME | Nakajoh, Shibata, et al., 2005 | Based on data from 303. to 323. K.; AC |
| 96.1 | 314. | ME | Smith, Gorin, et al., 1964 | Based on data from 310. to 328. K.; AC |
References
Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Smith, Gorin, et al., 1964
Smith, N.K.; Gorin, G.; Good, W.D.; McCullough, J.P.,
The heats of combustion, sublimation, and formation of four dihalobiphenyls,
J. Phys. Chem., 1964, 68, 940-946. [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]
Brull, 1935
Brull, L.,
Sui calori di combustione di alcuni derivati del bifenil,
Gazz. Chim. Ital., 1935, 65, 19-28. [all data]
Cox and Pilcher, 1970, 2
Cox, J.D.; Pilcher, G.,
Thermochemistry of Organic and Organometallic Compounds, Academic Press Inc., London, 1970, 643. [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]
Nakajoh, Shibata, et al., 2005
Nakajoh, Katsuhiko; Shibata, Etsuro; Todoroki, Tomohiro; Ohara, Atsushi; Nishizawa, Katsushi; Nakamura, Takashi,
VAPOR PRESSURE OF TEN POLYCHLORINATED BIPHENYL CONGENERS AND TWO COMMERCIAL FLUIDS AS A FUNCTION OF TEMPERATURE,
Environ Toxicol Chem, 2005, 24, 7, 1602, https://doi.org/10.1897/04-381R.1
. [all data]
Notes
Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, References
- Symbols used in this document:
ΔcH°solid Enthalpy of combustion of solid at standard conditions ΔfH°gas Enthalpy of formation of gas at standard conditions ΔfH°solid Enthalpy of formation of solid at standard conditions ΔsubH Enthalpy of sublimation ΔsubH° Enthalpy of sublimation at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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