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Acetylene-d2


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:   Dinftyh     Symmetry Number sigma = 2


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

«sigma»g+ 1 CD str 2701  C  ia 2700.5 S gas
«sigma»g+ 2 CC str 1762  C  ia 1762.4 S gas
«sigma»u+ 3 CD str 2439  A 2439.24 S gas  ia
«pi»g 4 CD bend 505  C  ia OC(«nu»4+«nu»5)
«pi»u 5 CD bend 537  A 536.9 VS gas  ia

Source: Shimanouchi, 1972

Notes

VSVery strong
SStrong
iaInactive
OCFrequency estimated from an overtone or a combination tone indicated in the parentheses.
A0~1 cm-1 uncertainty
C3~6 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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