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Ethane, 1-bromo-2-chloro-

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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: T. Shimanouchi

Trans form     Symmetry:   Cs     Symmetry Number sigma = 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(«nu»2, )gauche «nu»3, gauche «nu»4
a' 2 CH2 s-str 2960  D 2960 liq. SF(«nu»1, )gauche «nu»3, gauche «nu»4
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 «nu»17
a' 11 CCBr deform 202  C 202.0 solid solid 210 liq.
a 12 CH2 a-str 3010  D 3010 liq. SF(«nu»13, )gauche «nu»1, gauche «nu»2
a 13 CH2 a-str 3010  D 3010 liq. SF(«nu»12, )gauche «nu»1, gauche «nu»2
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 sigma = 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(«nu»2 )trans «nu»12, trans «nu»13
a 2 CH2 a-str 3010  D 3010 liq. SF(«nu»1 )trans «nu»12, trans «nu»13
a 3 CH2 s-str 2960  D 2960 liq. SF(«nu»4, )trans «nu»1, trans «nu»2
a 4 CH2 s-str 2960  D 2960 liq. SF(«nu»3, )trans «nu»1, trans «nu»2
a 5 CH2 scis 1428  D 1428 S liq. 1421 liq. OV(«nu»6)
a 6 CH2 scis 1428  D 1428 S liq. 1421 liq. OV(«nu»5)
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 «nu»10
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, 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.

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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