Ethane, 1-bromo-2-chloro-

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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 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 ± 0.05eVN/AN/AL

Ionization energy determinations

IE (eV) Method Reference Comment
10.55PIBerman, Anicich, et al., 1979LLK
10.52PEBerman, Anicich, et al., 1979LLK
10.63 ± 0.03PIWatanabe, Nakayama, et al., 1962RDSH
10.63PEOhno, Imai, et al., 1985Vertical value; LBLHLM
10.5 ± 0.1PECarnovale, Gan, et al., 1979Vertical value; Gauche conformer; LLK
10.7 ± 0.1PECarnovale, Gan, et al., 1979Vertical value; Trans conformer; LLK
10.65 ± 0.01PEChau and McDowell, 1976Vertical value; LLK

Appearance energy determinations

Ion AE (eV) Other Products MethodReferenceComment
C2H4Br+10.89?PIBerman, Anicich, et al., 1979LLK
C2H4Cl+10.72?PIBerman, Anicich, et al., 1979LLK

IR Spectrum

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Data compiled by: Coblentz Society, Inc.

Data compiled by: NIST Mass Spectrometry Data Center, William E. Wallace, director


Mass spectrum (electron ionization)

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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: NIST Mass Spectrometry Data Center, William E. Wallace, director

Spectrum

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Mass spectrum
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Additional Data

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Owner NIST Mass Spectrometry Data Center
Collection (C) 2014 copyright by the U.S. Secretary of Commerce
on behalf of the United States of America. All rights reserved.
Origin NIST Mass Spectrometry Data Center, 1998.
NIST MS number 291267

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Vibrational and/or electronic energy levels

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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: 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. SF2, )gauche ν3, gauche ν4
a' 2 CH2 s-str 2960  D 2960 liq. SF1, )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. SF13, )gauche ν1, gauche ν2
a 13 CH2 a-str 3010  D 3010 liq. SF12, )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. SF2 )trans ν12, trans ν13
a 2 CH2 a-str 3010  D 3010 liq. SF1 )trans ν12, trans ν13
a 3 CH2 s-str 2960  D 2960 liq. SF4, )trans ν1, trans ν2
a 4 CH2 s-str 2960  D 2960 liq. SF3, )trans ν1, trans ν2
a 5 CH2 scis 1428  D 1428 S liq. 1421 liq. OV6)
a 6 CH2 scis 1428  D 1428 S liq. 1421 liq. OV5)
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

SStrong
MMedium
VWVery weak
pPolarized
dpDepolarized
SFCalculation shows that the frequency approximately equals that of the vibration indicated in the parentheses.
OVOverlapped by band indicated in parentheses.
C3~6 cm-1 uncertainty
D6~15 cm-1 uncertainty

References

Go To: Top, Gas phase ion energetics data, IR Spectrum, Mass spectrum (electron ionization), 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

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