CH2=CF2+

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:   G
 Energy 
 (cm-1) 		  Med.   Transition   λmin 
 (nm) 		  λmax 
 (nm) 		  References
Tx = 75920 ± 320 gas Lake and Thompson, 1970
Sell and Kuppermann, 1979
Bieri, Niessen, et al., 1981

State:   E,F
 Energy 
 (cm-1) 		  Med.   Transition   λmin 
 (nm) 		  λmax 
 (nm) 		  References
Tx = 63820 ± 320 gas Lake and Thompson, 1970
Sell and Kuppermann, 1979
Bieri, Niessen, et al., 1981

State:   C,D
 Energy 
 (cm-1) 		  Med.   Transition   λmin 
 (nm) 		  λmax 
 (nm) 		  References
Tx = 47000 T gas Bieri, Niessen, et al., 1981

State:   B
 Energy 
 (cm-1) 		  Med.   Transition   λmin 
 (nm) 		  λmax 
 (nm) 		  References
Tx = 43890 ± 320 gas Lake and Thompson, 1970
Sell and Kuppermann, 1979
Bieri, Niessen, et al., 1981

State:   A
 Energy 
 (cm-1) 		  Med.   Transition   λmin 
 (nm) 		  λmax 
 (nm) 		  References
To = 30420 ± 320 gas Lake and Thompson, 1970
Sell and Kuppermann, 1979
Bieri, Niessen, et al., 1981
Vib. 
sym. 		  No.   Approximate 
 type of mode 		  cm-1   Med.   Method   References
a1 1050 ± 80 gas PE Sell and Kuppermann, 1979

State:   X

Vib. 
sym. 		  No.   Approximate 
 type of mode 		  cm-1   Med.   Method   References
a1 2 C=C stretch 1530 ± 80 gas PE Lake and Thompson, 1970
Sell and Kuppermann, 1979
4 CF2 s-stretch 700 ± 80 gas PE Lake and Thompson, 1970
Sell and Kuppermann, 1979

Additional references: Jacox, 1994, page 332

Notes

TTentative assignment or approximate value
oEnergy separation between the v = 0 levels of the excited and electronic ground states.
xEnergy separation between the band maximum of the excited electronic state and the v = 0 level of the ground state.

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.

Lake and Thompson, 1970
Lake, R.F.; Thompson, H., Photoelectron spectra of halogenated ethylenes, Proc. Roy. Soc. (London), 1970, A315, 323. [all data]

Sell and Kuppermann, 1979
Sell, J.A.; Kuppermann, A., Variable angle photoelectron spectroscopy of the fluoroethylenes, J. Chem. Phys., 1979, 71, 4703. [all data]

Bieri, Niessen, et al., 1981
Bieri, G.; Niessen, W.V.; Asbrink, L.; Svensson, A., The He(II) photoelectron spectra of the fluorosubstituted ethylenes and their analysis by the green's function method, Chem. Phys., 1981, 60, 61. [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]

Notes

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