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Poly(methylene-d2)n


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 CD2 s-str 2102  C  ia 2102 S sln.
ag 2 CD2 scis 1146  C  ia 1146 M sln.
ag 3 CC str 966  E  ia 966 VW sln.
au 4 CD2 twist 743  E  ia  ia CF
b1g 5 CD2 wag 1249  C  ia 1249 W sln.
b1g 6 CC str 820  E  ia CF
b1u 7 CD2 a-str 2192  C 2192 S sln.  ia
b1u 8 CD2 rock 526  C 528 M sln.  ia Doublet due to the crystal field effect
b1u 8 CD2 rock 526  C 522 M sln.  ia Doublet due to the crystal field effect
b2g 9 CD2 twist 916  C  ia 916 M sln.
b2u 10 CD2 s-str 2088  C 2088 S sln.  ia
b2u 11 CD2 scis 1090  C 1092 S sln.  ia Doublet due to the crystal field effect
b2u 11 CD2 scis 1090  C 1087 S sln.  ia Doublet due to the crystal field effect
b3g 12 CD2 a-str 2197  C  ia 2197 M sln.
b3g 13 CD2 rock 991  C  ia 991 M sln.
b3u 14 CD2 wag 889  E  ia CF

Source: Shimanouchi, 1972

Notes

SStrong
MMedium
WWeak
VWVery weak
iaInactive
CFCalculated frequency
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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