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C(CN)2


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: Marilyn E. Jacox

State:   B


 Energy 
 (cm-1
 Med.   Transition   «lambda»min 
 (nm) 
 «lambda»max 
 (nm) 
 References

To = 37310 Ar 240 270 Dunkin and McCluskey, 1994
Maier, Reisenauer, et al.

State:   A


 Energy 
 (cm-1
 Med.   Transition   «lambda»min 
 (nm) 
 «lambda»max 
 (nm) 
 References

To = 27850 Ar 280 360 Dunkin and McCluskey, 1994
Maier, Reisenauer, et al.

State:   X


Vib. 
sym. 
 No.   Approximate 
 type of mode 
 cm-1   Med.   Method   References

Sigmag 1 CN s-stretch 1945 T Ar IR Maier, Reisenauer, et al.
2 C3 s-stretch 689 T Ar IR Maier, Reisenauer, et al.
Sigmau 3 CN a-stretch 1747.6 vs Ar IR Smith and Leroi, 1969
Dunkin and McCluskey, 1994
Maier, Reisenauer, et al.
4 C3 a-stretch 1508.1 w Ar IR Maier, Reisenauer, et al.
Pig 5 Deformation 373 T Ar IR Maier, Reisenauer, et al.
Piu 6 Deformation 387.2 w m Ar IR Smith and Leroi, 1969
Maier, Reisenauer, et al.
7 Deformation 102 T Ar IR Maier, Reisenauer, et al.

Additional references: Jacox, 1994, page 278; Jacox, 1998, page 295

Notes

wWeak
mMedium
vsVery strong
TTentative assignment or approximate value
oEnergy separation between the v = 0 levels of the excited and electronic ground states.

References

Go To: Top, Vibrational and/or electronic energy levels, NIST Free Links, Notes

Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

Dunkin and McCluskey, 1994
Dunkin, I.R.; McCluskey, A., Spectrochim. Acta, 1994, 50A, 209. [all data]

Maier, Reisenauer, et al.
Maier, G.; Reisenauer, H.P.; Ruppel, R., J. Org. Chem. 2003, 2695.. [all data]

Smith and Leroi, 1969
Smith, W.H.; Leroi, G.E., Spectrochim. Acta, 1969, 25A, 1917. [all data]

Jacox, 1994
Jacox, M.E., Vibrational and electronic energy levels of polyatomic transient molecules, American Chemical Society, Washington, DC, 1994, 464. [all data]

Jacox, 1998
Jacox, M.E., Vibrational and electronic energy levels of polyatomic transient molecules: supplement A, J. Phys. Chem. Ref. Data, 1998, 27, 2, 115-393, https://doi.org/10.1063/1.556017 . [all data]


Notes

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