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Ethane

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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:   D3d     Symmetry Number sigma = 6


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

a1g 1 CH3 s-str 2954  B  ia 2953.7 gas
a1g 2 CH3 s-deform 1388  B  ia 1388.4 gas
a1g 3 CC str 995  A  ia 994.8 gas
a1u 4 Torsion 289  B 289 gas  ia
a2u 5 CH3 s-str 2896  B 2895.8 gas  ia
a2u 6 CH3 s-deform 1379  A 1379.2 gas  ia
eg 7 CH3 d-str 2969  A  ia 2968.7 gas
eg 8 CH3 d-deform 1468  A  ia 1468.1 gas
eg 9 CH3 rock 1190  E  ia OC
eu 10 CH3 d-str 2985  A 2985.4 gas  ia
eu 11 CH3 d-deform 1469  C 1469 gas  ia FR(«nu»4+«nu»12)
eu 12 CH3 rock 822  A 821.6 gas  ia

Source: Shimanouchi, 1972

Notes

iaInactive
FRFermi resonance with an overtone or a combination tone indicated in the parentheses.
OCFrequency estimated from an overtone or a combination tone indicated in the parentheses.
A0~1 cm-1 uncertainty
B1~3 cm-1 uncertainty
C3~6 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