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Tetrafluoromethane

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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 909  B  ia 908.5 S gas
e 2 Deg deform 435  B  ia 435.0 S gas
f2 3 Deg str 1281  D ? gas ? gas FR(2«nu»4)
f2 4 Deg deform 632  B 631.73 VS gas 631.2 S gas

Source: Shimanouchi, 1972

Notes

VSVery strong
SStrong
iaInactive
FRFermi resonance with an overtone or a combination tone indicated in the parentheses.
B1~3 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 I, National Bureau of Standards, 1972, 1-160. [all data]


Notes

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