Ethane, 1,1-dibromo-
- Formula: C2H4Br2
- Molecular weight: 187.861
- IUPAC Standard InChI: InChI=1S/C2H4Br2/c1-2(3)4/h2H,1H3
- IUPAC Standard InChIKey: APQIUTYORBAGEZ-UHFFFAOYSA-N
- CAS Registry Number: 557-91-5
- Chemical structure:
This structure is also available as a 2d Mol file - Other names: Ethylidene dibromide; 1,1-Dibromoethane; CH3CHBr2; Ethylidene bromide; Dibromoethane
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Gas phase thermochemistry data
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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 | -41. | kJ/mol | Cm | Kudchadker and Kudchadker, 1979 |
Reaction thermochemistry data
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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
Note: Please consider using the reaction search for this species. This page allows searching of all reactions involving this species. A general reaction search form is also available. Future versions of this site may rely on reaction search pages in place of the enumerated reaction displays seen below.
Individual Reactions
=
By formula: C2H4Br2 = C2H4Br2
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | -13.05 ± 0.52 | kJ/mol | Eqk | Izmailov, Rozhnov, et al., 1974 | gas phase |
| ΔrH° | 12.1 ± 1.3 | kJ/mol | Eqk | Levanova, Rozhnov, et al., 1970 | gas phase; Heat of isomerization at 484 K |
2 =
+
By formula: 2C2H4BrCl = C2H4Br2 + C2H4Cl2
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 7.9 ± 0.4 | kJ/mol | Eqk | Busheva, Levanova, et al., 1980 | gas phase; Dehydrohalogenation |
=
+
By formula: C2H4Br2 = HBr + C2H3Br
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 70. ± 3. | kJ/mol | Eqk | Levanova, Rozhnov, et al., 1970 | gas phase |
References
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Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Kudchadker and Kudchadker, 1979
Kudchadker, S.A.; Kudchadker, A.P.,
Ideal gas thermodynamic properties of selected bromoethanes and iodoethane,
J. Phys. Chem. Ref. Data, 1979, 8, 519-526. [all data]
Izmailov, Rozhnov, et al., 1974
Izmailov, V.D.; Rozhnov, A.M.; Sharonov, K.G.,
Equilibrium in the isomerisation of 1,1-dibromoethane and 1,1-dibromopropane,
Russ. J. Phys. Chem. (Engl. Transl.), 1974, 48, 289-290. [all data]
Levanova, Rozhnov, et al., 1970
Levanova, S.V.; Rozhnov, A.M.; Sedov, S.M.; Starkov, V.Ya.; Manzohos, V.N.,
Equilibrium reactions of dibromoethane,
Izv. Vyssh. Uchebn. Zaved., Khim. Khim. Tekhnol., 1970, 13, 62-65. [all data]
Busheva, Levanova, et al., 1980
Busheva, L.I.; Levanova, S.V.; Rodova, R.M.; Rozhnov, A.M.,
Thermocatalytic reactions of 1,1-bromochloroethane,
Russ. J. Phys. Chem. (Engl. Transl.), 1980, 54, 1403-1404. [all data]
Notes
Go To: Top, Gas phase thermochemistry data, Reaction thermochemistry data, References
- Symbols used in this document:
ΔfH°gas Enthalpy of formation of gas at standard conditions ΔrH° Enthalpy of reaction at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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