erythro-2,3-Dibromobutane
- Formula: C4H8Br2
- Molecular weight: 215.914
- IUPAC Standard InChI: InChI=1S/C4H8Br2/c1-3(5)4(2)6/h3-4H,1-2H3/t3-,4+
- IUPAC Standard InChIKey: BXXWFOGWXLJPPA-ZXZARUISSA-N
- CAS Registry Number: 5780-13-2
- 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. - Stereoisomers:
- Other names: Butane, 2,3-dibromo-, erythro; meso-2,3-dibromobutane; Threo-2,3-dibromobutane
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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 | -101.6 | kJ/mol | Eqk | Rozhnov and Nesterova, 1973 | Equilibration with 1,4-Dibromobutane |
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: C4H8 + Br2 = C4H8Br2
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | -121.1 ± 0.84 | kJ/mol | Cm | Conn, Kistiakowsky, et al., 1938 | gas phase; Reanalyzed by Cox and Pilcher, 1970, Original value = -121.7 ± 0.84 kJ/mol; At 355 °K |
Gas phase ion energetics 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 as indicated in comments:
LLK - Sharon G. Lias, Rhoda D. Levin, and Sherif A. Kafafi
Ionization energy determinations
| IE (eV) | Method | Reference | Comment |
|---|---|---|---|
| 10.16 | PE | Gounelle, Menard, et al., 1975 | Vertical value; LLK |
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.
Rozhnov and Nesterova, 1973
Rozhnov, A.M.; Nesterova, T.N.,
Heats of formation of dibromo-n-butanes,
Russ. J. Phys. Chem. (Engl. Transl.), 1973, 47, 1390, In original 2455. [all data]
Conn, Kistiakowsky, et al., 1938
Conn, J.B.; Kistiakowsky, G.B.; Smith, E.A.,
Heats of organic reactions. VII. Addition of halogens to olefins,
J. Am. Chem. Soc., 1938, 60, 2764-2771. [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]
Gounelle, Menard, et al., 1975
Gounelle, Y.; Menard, C.; Pechine, J.M.; Solgadi, D.; Menes, F.; Botter, R.,
Conformational effects on ionization potentials; Photoelectron spectra of dibromo- and bromofluoro- alkyl compounds,
J. Electron Spectrosc. Relat. Phenom., 1975, 7, 247. [all data]
Notes
Go To: Top, Gas phase thermochemistry data, Reaction thermochemistry data, Gas phase ion energetics 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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