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Glyoxal


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 2843  B  ia
ag 2 CO str 1745  B  ia
ag 3 CH bend 1338  D  ia OC
ag 4 CC str 1065  B  ia
ag 5 CCO deform 551  B  ia
au 6 CH bend 801  B 801.36 M gas
au 7 Torsion 127  B 126.5 W gas
bg 8 CH bend 1048  B  ia
bu 9 CH str 2835  B 2835.07 VS gas
bu 10 CO str 1732  C 1732 VS gas
bu 11 CH bend 1312  B 1312.38 S gas
bu 12 CCO deform 339  B 338.55 S gas

Source: Shimanouchi, 1972

Notes

VSVery strong
SStrong
MMedium
WWeak
iaInactive
OCFrequency estimated from an overtone or a combination tone indicated in the parentheses.
B1~3 cm-1 uncertainty
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 II, J. Phys. Chem. Ref. Data, 1972, 6, 3, 993-1102. [all data]


Notes

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