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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:   D2d     Symmetry Number sigma = 4


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

a1 1 CH2 s-str 3015  A 3015.0 gas
a1 2 CH2 scis 1443  A 1442.6 gas
a1 3 CC str 1073  A 1072.6 gas
b1 4 CH2 twist 865  C 865 gas 865 liq.
b2 5 CH2 s-str 3007  A 3006.7 gas
b2 6 CC str 1957  C 1957 gas 1960 liq.
b2 7 CH2 scis 1398  C 1398 gas 1421 liq.
e 8 CH2 a-str 3086  A 3085.5 gas
e 9 CH2 rock 999  A 999.1 gas
e 10 CH2 wag 841  A 840.8 gas
e 11 CCC deform 355  A 355.3 gas

Source: Shimanouchi, 1972

Notes

A0~1 cm-1 uncertainty
C3~6 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