Ethane, 1,2-dibromo-
- Formula: C2H4Br2
- Molecular weight: 187.861
- IUPAC Standard InChIKey: PAAZPARNPHGIKF-UHFFFAOYSA-N
- CAS Registry Number: 106-93-4
- 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. - Isotopologues:
- Other names: α,β-Dibromoethane; sym-Dibromoethane; Aadibroom; Bromofume; Dowfume W-8; Dowfume W85; Ethylene bromide; Ethylene dibromide; EDB; Glycol Dibromide; Iscobrome D; Nefis; Sanhyuum; Soilfume; 1,2-Dibromoethane; CH2BrCH2Br; Dibromoethane; Aethylenbromid; Bromuro di etile; Celmide; DBE; 1,2-Dibromaethan; 1,2-Dibromoetano; Dibromure D'ethylene; 1,2-Dibroomethaan; Dowfume 40; Dowfume edb; Dowfume W-90; Dowfume W-100; Dwubromoetan; EDB-85; E-D-Bee; ENT 15,349; 1,2-Ethylene dibromide; Fumo-gas; Kopfume; NCI-C00522; Nephis; Pestmaster edb-85; Rcra waste number U067; Soilbrom; Soilbrom-40; Soilbrom-85; Soilbrom-90; Soilbrom-100; Soilbrome-85; Soilbrom-90ec; UN 1605; Unifume; Edabrom; α,ω-Dibromoethane; 1,2-dibromoethane (EDB)
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Gas phase ion energetics 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 evaluated as indicated in comments:
L - Sharon G. Lias
Data compiled as indicated in comments:
LLK - Sharon G. Lias, Rhoda D. Levin, and Sherif A. Kafafi
LL - Sharon G. Lias and Joel F. Liebman
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
IE (evaluated) | 10.35 ± 0.04 | eV | N/A | N/A | L |
Ionization energy determinations
IE (eV) | Method | Reference | Comment |
---|---|---|---|
10.37 | PI | Berman, Anicich, et al., 1979 | LLK |
10.42 | PE | Berman, Anicich, et al., 1979 | LLK |
10.2 | PE | Gan, Peel, et al., 1978 | LLK |
10.38 | PE | Gan, Peel, et al., 1978 | LLK |
10.37 | PI | Staley, Wieting, et al., 1977 | LLK |
10.58 ± 0.10 | PE | Gan, Peel, et al., 1978 | Vertical value; LLK |
10.44 ± 0.10 | PE | Gan, Peel, et al., 1978 | Vertical value; LLK |
10.57 ± 0.02 | PE | Chau and McDowell, 1975 | Vertical value; LLK |
Appearance energy determinations
Ion | AE (eV) | Other Products | Method | Reference | Comment |
---|---|---|---|---|---|
CH2Br+ | 12.34 | CH2Br | EI | Holmes, Lossing, et al., 1988 | LL |
C2H4Br+ | 10.53 | ? | PI | Berman, Anicich, et al., 1979 | LLK |
C2H4Br+ | 10.53 | Br | PI | Staley, Wieting, et al., 1977 | LLK |
References
Go To: Top, 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.
Berman, Anicich, et al., 1979
Berman, D.W.; Anicich, V.; Beauchamp, J.L.,
Stabilities of isomeric halonium ions C2H4X+ (X = Cl, Br) by photoionization mass spectrometry iand on cyclotron resonance spectroscopy. General considerations of the relative stabilities of cyclic and acyclic isomeric onium ions,
J. Am. Chem. Soc., 1979, 101, 1239. [all data]
Gan, Peel, et al., 1978
Gan, T.H.; Peel, J.B.; Willett, G.D.,
Photoelectron spectra of the gauche and trans conformers of 1,2-dibromoethane,
J. Mol. Struct., 1978, 44, 211. [all data]
Staley, Wieting, et al., 1977
Staley, R.H.; Wieting, R.D.; Beauchamp, J.L.,
Carbenium ion stabilities in the gas phase and solution. An ion cyclotron resonance study of bromide transfer reactions involving alkali ions, alkyl carbenium ions, acyl cations and cyclic halonium ions,
J. Am. Chem. Soc., 1977, 99, 5964. [all data]
Chau and McDowell, 1975
Chau, F.T.; McDowell, C.A.,
Photoelectron spectra of 1,2 dichloro-, 1,2 dibromo- and 1,2 diiodo-ethane,
J. Electron Spectrosc. Relat. Phenom., 1975, 6, 365. [all data]
Holmes, Lossing, et al., 1988
Holmes, J.L.; Lossing, F.P.; McFarlane, R.A.,
Stabilization energy and positional effects in halogen-substituted alkyl ions.,
Int. J. Mass Spectrom. Ion Phys., 1988, 86, 209. [all data]
Notes
Go To: Top, Gas phase ion energetics data, References
- Symbols used in this document:
AE Appearance energy IE (evaluated) Recommended ionization energy - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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