Cyclopentane, 1,2-dibromo,trans-
- Formula: C5H8Br2
- Molecular weight: 227.925
- IUPAC Standard InChI: InChI=1S/C5H8Br2/c6-4-2-1-3-5(4)7/h4-5H,1-3H2/t4-,5-/m1/s1
- IUPAC Standard InChIKey: LJCGLSZQABMYGU-RFZPGFLSSA-N
- CAS Registry Number: 10230-26-9
- Chemical structure:
This structure is also available as a 2d Mol file or as a computed 3d SD file
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Reaction thermochemistry data
Go To: Top, Gas phase ion energetics 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
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Individual Reactions
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By formula: C5H8 + Br2 = C5H8Br2
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | -119.7 ± 2.5 | kJ/mol | Cm | Lister, 1941 | gas phase; Halogenation at 27 C |
Gas phase ion energetics data
Go To: Top, Reaction 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:
LLK - Sharon G. Lias, Rhoda D. Levin, and Sherif A. Kafafi
Ionization energy determinations
| IE (eV) | Method | Reference | Comment |
|---|---|---|---|
| 10.08 ± 0.02 | PE | Botter, Menes, et al., 1973 | LLK |
| 10.04 | PE | Gounelle, Menard, et al., 1975 | Vertical value; LLK |
References
Go To: Top, Reaction thermochemistry data, Gas phase ion energetics data, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Lister, 1941
Lister, M.W.,
Heats of organic reactions. X. Heats of bromination of cyclic olefins,
J. Am. Chem. Soc., 1941, 63, 143-149. [all data]
Botter, Menes, et al., 1973
Botter, R.; Menes, F.; Gounelle, Y.; Pechine, J.M.; Solgadi, D.,
The ionization potentials of geometrical isomers: the cis and trans 2-subststituted cyclopentyl and cyclohexyl bromides,
Int. J. Mass Spectrom. Ion Phys., 1973, 12, 188. [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, Reaction thermochemistry data, Gas phase ion energetics data, References
- Symbols used in this document:
ΔrH° Enthalpy of reaction at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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