2,2'-Difluorobiphenyl
- Formula: C12H8F2
- Molecular weight: 190.1887
- IUPAC Standard InChI: InChI=1S/C12H8F2/c13-11-7-3-1-5-9(11)10-6-2-4-8-12(10)14/h1-8H
- IUPAC Standard InChIKey: PXFIPIAXFGAEMJ-UHFFFAOYSA-N
- CAS Registry Number: 388-82-9
- 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'-Biphenyl, 2,2'-difluoro-; 2,2'-Difluorodiphenyl; Biphenyl, 2,2'-difluoro; 2,2'-difluoro-1,1'-biphenyl
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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:
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° | 95.0 ± 4.2 | kJ/mol | V | Smith, Gorin, et al., 1964 | Corrected for CODATA value of ΔfH; ALS |
| ΔsubH° | 95. ± 4.2 | kJ/mol | ME | Smith, Gorin, et al., 1964 | Based on data from 301. - 318. K. See also Cox and Pilcher, 1970.; AC |
Enthalpy of sublimation
| ΔsubH (kJ/mol) | Temperature (K) | Reference | Comment |
|---|---|---|---|
| 95.1 | 310. | Stephenson and Malanowski, 1987 | Based on data from 301. - 319. K. See also Smith, Gorin, et al., 1964.; AC |
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.
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 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]
Notes
Go To: Top, Phase change data, References
- Symbols used in this document:
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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