Ethane, 1-bromo-2-chloro-
- Formula: C2H4BrCl
- Molecular weight: 143.410
- IUPAC Standard InChIKey: IBYHHJPAARCAIE-UHFFFAOYSA-N
- CAS Registry Number: 107-04-0
- 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: β-Chloroethyl bromide; s-Chlorobromoethane; Ethylene chlorobromide; 1-Bromo-2-chloroethane; 1-Chloro-2-bromoethane; 1,2-Bromochloroethane; 1,2-Chlorobromoethane; 2-Bromo-1-chloroethane; 2-Bromoethyl chloride; 2-Chloroethyl bromide; CH2BrCH2Cl; sym-Chlorobromoethane; NSC 60186
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Gas phase ion energetics data
Go To: Top, Vibrational and/or electronic energy levels, 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:
LBLHLM - Sharon G. Lias, John E. Bartmess, Joel F. Liebman, John L. Holmes, Rhoda D. Levin, and W. Gary Mallard
LLK - Sharon G. Lias, Rhoda D. Levin, and Sherif A. Kafafi
RDSH - Henry M. Rosenstock, Keith Draxl, Bruce W. Steiner, and John T. Herron
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
IE (evaluated) | 10.57 ± 0.05 | eV | N/A | N/A | L |
Ionization energy determinations
IE (eV) | Method | Reference | Comment |
---|---|---|---|
10.55 | PI | Berman, Anicich, et al., 1979 | LLK |
10.52 | PE | Berman, Anicich, et al., 1979 | LLK |
10.63 ± 0.03 | PI | Watanabe, Nakayama, et al., 1962 | RDSH |
10.63 | PE | Ohno, Imai, et al., 1985 | Vertical value; LBLHLM |
10.5 ± 0.1 | PE | Carnovale, Gan, et al., 1979 | Vertical value; Gauche conformer; LLK |
10.7 ± 0.1 | PE | Carnovale, Gan, et al., 1979 | Vertical value; Trans conformer; LLK |
10.65 ± 0.01 | PE | Chau and McDowell, 1976 | Vertical value; LLK |
Appearance energy determinations
Ion | AE (eV) | Other Products | Method | Reference | Comment |
---|---|---|---|---|---|
C2H4Br+ | 10.89 | ? | PI | Berman, Anicich, et al., 1979 | LLK |
C2H4Cl+ | 10.72 | ? | PI | Berman, Anicich, et al., 1979 | LLK |
Vibrational and/or electronic energy levels
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: Takehiko Shimanouchi
Trans form Symmetry: Cs Symmetry Number σ = 1
Sym. | No | Approximate | Selected Freq. | Infrared | Raman | Comments | ||||
---|---|---|---|---|---|---|---|---|---|---|
Species | type of mode | Value | Rating | Value | Phase | Value | Phase | |||
a' | 1 | CH2 s-str | 2960 | D | 2960 | liq. | SF(ν2, )gauche ν3, gauche ν4 | |||
a' | 2 | CH2 s-str | 2960 | D | 2960 | liq. | SF(ν1, )gauche ν3, gauche ν4 | |||
a' | 3 | CH2 scis | 1446 | D | 1446 S | sln. | ||||
a' | 4 | CH2 scis | 1444 | C | 1444 | liq. | ||||
a' | 5 | CH2 wag | 1284 | C | 1284 M | sln. | 1284 p | liq. | ||
a' | 6 | CH2 wag | 1203 | C | 1203 S | sln. | 1203 | liq. | ||
a' | 7 | CC str | 1052 | C | 1056 M | sln. | 1052 dp | liq. | ||
a' | 8 | CCl str | 726 | C | 722 S | sln. | 726 p | liq. | ||
a' | 9 | CBr str | 630 | C | 630 S | sln. | 630 | liq. | ||
a' | 10 | CCCl deform | 251 | C | 251 p | liq. | SF()gauche ν17 | |||
a' | 11 | CCBr deform | 202 | C | 202.0 | solid solid | 210 | liq. | ||
a | 12 | CH2 a-str | 3010 | D | 3010 | liq. | SF(ν13, )gauche ν1, gauche ν2 | |||
a | 13 | CH2 a-str | 3010 | D | 3010 | liq. | SF(ν12, )gauche ν1, gauche ν2 | |||
a | 14 | CH2 twist | 1259 | C | 1258 VW | sln. | 1259 | liq. | ||
a | 15 | CH2 twist | 1111 | D | 1111 M | sln. | ||||
a | 16 | CH2 rock | 961 | C | 961 VW | sln. | 961 | liq. | ||
a | 17 | CH2 rock | 763 | D | 763 M | sln. | ||||
a | 18 | Torsion | 123 | C | 123 | solid solid | ||||
Source: Shimanouchi, 1972
Gauche form Symmetry: C1 Symmetry Number σ = 1
Sym. | No | Approximate | Selected Freq. | Infrared | Raman | Comments | ||||
---|---|---|---|---|---|---|---|---|---|---|
Species | type of mode | Value | Rating | Value | Phase | Value | Phase | |||
a | 1 | CH2 a-str | 3010 | D | 3010 | liq. | SF(ν2 )trans ν12, trans ν13 | |||
a | 2 | CH2 a-str | 3010 | D | 3010 | liq. | SF(ν1 )trans ν12, trans ν13 | |||
a | 3 | CH2 s-str | 2960 | D | 2960 | liq. | SF(ν4, )trans ν1, trans ν2 | |||
a | 4 | CH2 s-str | 2960 | D | 2960 | liq. | SF(ν3, )trans ν1, trans ν2 | |||
a | 5 | CH2 scis | 1428 | D | 1428 S | liq. | 1421 | liq. | OV(ν6) | |
a | 6 | CH2 scis | 1428 | D | 1428 S | liq. | 1421 | liq. | OV(ν5) | |
a | 7 | CH2 wag | 1299 | C | 1299 S | liq. | 1299 | liq. | ||
a | 8 | CH2 wag | 1260 | C | 1260 S | liq. | 1259 | liq. | ||
a | 9 | CH2 twist | 1190 | D | 1190 M | liq. | 1189 p | liq. | ||
a | 10 | CH2 twist | 1127 | C | 1127 M | liq. | 1128 dp | liq. | ||
a | 11 | CC str | 1025 | C | 1025 M | liq. | 1023 | liq. | ||
a | 12 | CH2 rock | 923 | C | 923 S | liq. | 919 p | liq. | ||
a | 13 | CH2 rock | 856 | C | 856 S | liq. | 852 | liq. | ||
a | 14 | CCl str | 664 | C | 664 S | liq. | 665 | liq. | ||
a | 15 | CBr str | 571 | C | 571 S | liq. | 568 p | liq. | ||
a | 16 | CCCl deform | 385 | C | 385 dp | liq. | ||||
a | 17 | CCBr deform | 251 | D | 251 | liq. | SF()trans ν10 | |||
a | 18 | Torsion | 107 | D | 107 | liq. | ||||
Source: Shimanouchi, 1972
Notes
S | Strong |
M | Medium |
VW | Very weak |
p | Polarized |
dp | Depolarized |
SF | Calculation shows that the frequency approximately equals that of the vibration indicated in the parentheses. |
OV | Overlapped by band indicated in parentheses. |
C | 3~6 cm-1 uncertainty |
D | 6~15 cm-1 uncertainty |
References
Go To: Top, Gas phase ion energetics data, Vibrational and/or electronic energy levels, 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]
Watanabe, Nakayama, et al., 1962
Watanabe, K.; Nakayama, T.; Mottl, J.,
Ionization potentials of some molecules,
J. Quant. Spectry. Radiative Transfer, 1962, 2, 369. [all data]
Ohno, Imai, et al., 1985
Ohno, K.; Imai, K.; Harada, Y.,
Variations in reactivity of lone-pair electrons due to intramolecular hydrogen bonding as observed by penning ionization electron spectroscopy,
J. Am. Chem. Soc., 1985, 107, 8078. [all data]
Carnovale, Gan, et al., 1979
Carnovale, F.; Gan, T.H.; Peel, J.B.,
Photoelectron spectra of the gauche and trans conformers of 1,2-bromochloroethane,
J. Electron Spectrosc. Relat. Phenom., 1979, 16, 87. [all data]
Chau and McDowell, 1976
Chau, F.T.; McDowell, C.A.,
Photoelectron spectra of 1,2-dibromo-1,1-difluoroethane, 1,2-bromochloroethane, and 1,2-dichloro-, 1,2-dibromo-, and 1,2-diiodotetrafluoroethane,
J. Phys. Chem., 1976, 80, 2923. [all data]
Shimanouchi, 1972
Shimanouchi, T.,
Tables of Molecular Vibrational Frequencies Consolidated Volume I, National Bureau of Standards, 1972, 1-160. [all data]
Notes
Go To: Top, Gas phase ion energetics data, Vibrational and/or electronic energy levels, 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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