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

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. 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, 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