trans-1,3-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 CH str 3111  C  ia 3111 VS p liq.
ag 2 CC str 1694  C  ia 1694 VS p liq.
ag 3 CH bend 1286  C  ia 1286 S p liq.
ag 4 CF str 1123  C  ia 1123 M p liq.
ag 5 CCF deform 548  C  ia 548 S p liq.
au 6 CH bend 875  B 875 S gas  ia
au 7 Torsion 329  D 333 M solid solid  ia
au 7 Torsion 329  D 325 M solid solid
bg 8 CH bend 788  C  ia 788 S dp liq.
bu 9 CH str 3114  C 3114 M gas  ia
bu 10 CH bend 1274  C 1274 M gas  ia
bu 11 CF str 1159  C 1159 VS gas  ia
bu 12 CCF deform 341  D 341 M solid solid  ia

Source: Shimanouchi, 1972

Notes

VSVery strong
SStrong
MMedium
iaInactive
pPolarized
dpDepolarized
B1~3 cm-1 uncertainty
C3~6 cm-1 uncertainty
D6~15 cm-1 uncertainty

References

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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 II, J. Phys. Chem. Ref. Data, 1972, 6, 3, 993-1102. [all data]


Notes

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