Methane, bromochloro-

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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:   Cs     Symmetry Number σ = 1


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

a' 1 CH2 s-str 3003  A 3003 S gas 2986 M p liq.
a' 2 CH2 scis 1482  E 1482 M gas 1410 M p liq. Corresponding freq. in liquid state is found at ν1407 cm(ν1). Band may assign to overton
a' 3 CH2 wag 1231  B 1231 S gas 1229 W p liq.
a' 4 CCl str 744  B 744 VS gas 731 M p liq.
a' 5 CBr str 614  B 614 S gas 606 S p liq.
a' 6 CBrCl scis 229  C 229 S p liq.
a 7 CH2 a-str 3066  B 3066 W gas 3055 M dp liq.
a 8 CH2 twist 1128  C 1128 W liq. 1130 W liq.
a 9 CH2 rock 852  B 852 W gas 848 W liq.

Source: Shimanouchi, 1972

Notes

VSVery strong
SStrong
MMedium
WWeak
pPolarized
dpDepolarized
A0~1 cm-1 uncertainty
B1~3 cm-1 uncertainty
C3~6 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

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