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(2H4)methane

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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:   Td     Symmetry Number sigma = 12


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

a1 1 Sym str 2109  B  ia 2108.9 gas
e 2 Deg deform 1092  B 1092 ia gas 1091.9 gas Observed through Coriolis interaction with «nu»4
f2 3 Deg str 2259  A 2259.3 gas 2259.3 gas
f2 4 Deg deform 996  B 996.0 gas

Source: Shimanouchi, 1972

Notes

iaInactive
A0~1 cm-1 uncertainty
B1~3 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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