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Tetrachloroethylene

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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:   D2h     Symmetry Number sigma = 4


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

ag 1 CC str 1571  D  ia 1571 p liq.
ag 2 CCl2 s-str 447  D  ia 447 p liq.
ag 3 CCl2 scis 237  D  ia 237 p liq.
au 4 CCl2 twist 110  E  ia  ia OC(2«nu»4)
b1g 5 CCl2 a-str 1000  D  ia 1000 liq.
b1g 6 CCl2 rock 347  D  ia 347 dp liq.
b1u 7 CCl2 wag 288  D 288 M liq.  ia
b2g 8 CCl2 wag 512  D  ia 512 dp liq.
b2u 9 CCl2 a-str 908  C 908 S solid solid  ia
b2u 10 CCl2 rock 176  C 176 S liq.  ia
b3u 11 CCl2 s-str 777  C 777 S solid solid  ia
b3u 12 CCl2 scis 310  C 310 W liq.  ia

Source: Shimanouchi, 1972

Notes

SStrong
MMedium
WWeak
iaInactive
pPolarized
dpDepolarized
OCFrequency estimated from an overtone or a combination tone indicated in the parentheses.
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