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trans-1,2-Dichloro-1,2-difluoroethylene


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

Symmetry:   C2h     Symmetry Number sigma = 2


 Sym.   No   Approximate   Selected Freq.  Infrared   Raman   Comments 
 Species   type of mode   Value   Rating   Value  Phase  Value  Phase

ag 1 CC str 1707  C  ia 1707 VS p liq.
ag 2 CF str 1186  C  ia 1186 W p liq.
ag 3 CCl str 632  C  ia 632 M p liq.
ag 4 CF bend 425  C  ia 425 M p liq.
ag 5 CCl bend 288  C  ia 288 M p liq.
au 6 CFCl wag 333  C 333 M gas  ia
au 7 Torsion 140  D  ia CF
bg 8 CFCl wag 529  C  ia 529 M dp liq.
bu 9 CF str 1190  E 1214 VS gas  ia FR(«nu»5+«nu»10)
bu 9 CF str 1190  E 1167 VS gas  ia FR(«nu»5+«nu»10)
bu 10 CCl str 892  B 892 VS gas  ia
bu 11 CF bend 426  C 426 M gas  ia
bu 12 CCl bend 175  C 175 M gas  ia

Source: Shimanouchi, 1972

Notes

VSVery strong
MMedium
WWeak
iaInactive
pPolarized
dpDepolarized
FRFermi resonance with an overtone or a combination tone indicated in the parentheses.
CFCalculated frequency
B1~3 cm-1 uncertainty
C3~6 cm-1 uncertainty
D6~15 cm-1 uncertainty
E15~30 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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