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Ethylene oxide

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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:   C2nu     Symmetry Number sigma = 2


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

a1 1 CH2 s-str 3006  C 3006 S gas 3005 S p liq.
a1 2 CH2 scis 1498  B 1498 W gas 1490 W p liq.
a1 3 Ring str 1271  B 1271 S gas 1266 S p liq.
a1 4 CH2 wag 1120  D 1118 W solid solid 1120 M p liq.
a1 5 Ring deform 877  B 877 VS gas 867 M dp liq.
a2 6 CH2 a-str 3063  D  ia 3063 W dp liq. OV(«nu»13)
a2 7 CH2 twist 1300  E  ia
a2 8 CH2 rock 860  E  ia
b1 9 CH2 s-str 3006  C 3006 S gas 3005 S p liq. OV(«nu»1)
b1 10 CH2 scis 1472  B 1472 W gas
b1 11 CH2 wag 1151  D 1151 M gas 1150 W dp liq.
b1 12 Ring deform 892  D 892 VS gas
b2 13 CH2 a-str 3065  B 3065 S gas 3063 W dp liq.
b2 14 CH2 twist 1142  D 1142 M gas 1150 W dp liq.
b2 15 CH2 rock 822  B 822 M gas 807 M dp liq.

Source: Shimanouchi, 1972

Notes

VSVery strong
SStrong
MMedium
WWeak
iaInactive
pPolarized
dpDepolarized
OVOverlapped by band indicated in parentheses.
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

Go To: Top, Vibrational and/or electronic energy levels, References