2-Propenal

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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: Takehiko Shimanouchi

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 a-str 3103  C 3103 M gas
a' 2 CH(beta) str 3028  D 3028 M sln.
a' 3 CH2 s-str 3000  D 3000 M gas
a' 4 CH(alpha) str 2800  C 2800 S gas
a' 5 CO str 1724  C 1724 VS gas
a' 6 C=C str 1625  C 1625 M gas
a' 7 CH2 scis 1420  C 1420 S gas
a' 8 CH(alpha) ip-bend 1360  C 1360 M gas
a' 9 CH(beta) ip-bend 1275  C 1275 W gas
a' 10 C-C str 1158  C 1158 S gas
a' 11 CH2 rock 912  C 912 S gas
a' 12 CCO deform 564  C 564 M gas
a' 13 CCC bend 327  C 327 M gas
a 14 CH(beta) op-bend 993  B 993 S gas
a 15 CH(alpha) op-bend 980  E CF
a 16 CH2 wag 959  B 959 S gas
a 17 CH2 twist 593  C 593 S gas
a 18 CC torsion 157  C 157 M gas

Source: Shimanouchi, 1972

Notes

VSVery strong
SStrong
MMedium
WWeak
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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