C2H3CH=C:


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   λmin 
 (nm) 
 λmax 
 (nm) 
 References

To = 16420 ± 240 gas Gunion, Koppel, et al., 1995

State:   a


 Energy 
 (cm-1
 Med.   Transition   λmin 
 (nm) 
 λmax 
 (nm) 
 References

To = 15520 ± 120 gas Gunion, Koppel, et al., 1995


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

a' 1250 ± 50 gas PE Gunion, Koppel, et al., 1995
500 ± 50 gas PE Gunion, Koppel, et al., 1995
360 ± 50 gas PE Gunion, Koppel, et al., 1995

Additional references: Jacox, 1998, page 338

Notes

oEnergy separation between the v = 0 levels of the excited and electronic ground states.

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.

Gunion, Koppel, et al., 1995
Gunion, R.F.; Koppel, H.; Leach, G.W.; Lineberger, W.C., Photoelectron spectroscopy of C4H4-: Ab initio calculations and dynamics of the 1,2-hydrogen shift in vinylidene, J. Chem. Phys., 1995, 103, 4, 1250, https://doi.org/10.1063/1.469801 . [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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