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Methane, dibromo-

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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 3009  C 3009 W gas 3008 gas
a1 2 CH2 scis 1382  C 1382 VW gas 1402 gas
a1 3 CBr2 s-str 588  C 588 M gas 584 gas
a1 4 CBr2 scis 169  C 169 gas
a2 5 CH2 twist 1095  D  ia 1095 liq.
b1 6 CH2 a-str 3073  B 3073 VW gas 3064 liq.
b1 7 CH2 rock 812  B 812 M gas 813 liq.
b2 8 CH2 wag 1195  B 1195 VS gas 1195 liq.
b2 9 CBr a-str 653  B 653 VS gas 640 gas

Source: Shimanouchi, 1972

Notes

VSVery strong
MMedium
WWeak
VWVery weak
iaInactive
B1~3 cm-1 uncertainty
C3~6 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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