Methane, bromo-

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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:   C     Symmetry Number σ = 3


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

a1 1 CH3 s-str 2935  E 2972 M gas 2972 VS liq. FR(2ν5)
a1 1 CH3 s-str 2935  E 2862.1 M gas 2862 W liq. FR(2ν5)
a1 2 CH3 s-deform 1306  A 1305.9 S gas 1309 W liq.
a1 3 CBr str 611  A 611.1 S gas 609 S liq.
e 4 CH3 d-str 3056  A 3056.35 S gas 3068 VS liq.
e 5 CH3 d-deform 1443  A 1442.7 M gas 1456 M liq.
e 6 CH3 rock 955  A 954.7 M gas 956 VW liq.

Source: Shimanouchi, 1972

Notes

VSVery strong
SStrong
MMedium
WWeak
VWVery weak
FRFermi resonance with an overtone or a combination tone indicated in the parentheses.
A0~1 cm-1 uncertainty
E15~30 cm-1 uncertainty

References

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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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