C2F2+

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:   D
 Energy 
 (cm-1) 		  Med.   Transition   λmin 
 (nm) 		  λmax 
 (nm) 		  References
Tx = 84880 ± 1000 gas Bieri, Schmelzer, et al., 1980

State:   C
 Energy 
 (cm-1) 		  Med.   Transition   λmin 
 (nm) 		  λmax 
 (nm) 		  References
Tx = 76000 ± 1000 gas Bieri, Heilbronner, et al., 1977
Bieri, Schmelzer, et al., 1980

State:   B
 Energy 
 (cm-1) 		  Med.   Transition   λmin 
 (nm) 		  λmax 
 (nm) 		  References
Tx = 59060 ± 1000 gas Bieri, Heilbronner, et al., 1977
Bieri, Schmelzer, et al., 1980

State:   A
 Energy 
 (cm-1) 		  Med.   Transition   λmin 
 (nm) 		  λmax 
 (nm) 		  References
Tx = 52600 ± 1000 gas Bieri, Heilbronner, et al., 1977
Bieri, Schmelzer, et al., 1980

State:   X

Vib. 
sym. 		  No.   Approximate 
 type of mode 		  cm-1   Med.   Method   References
Σg+ 1 CC stretch 2420 ± 80 gas PE Bieri, Schmelzer, et al., 1980
2 CF s-stretch 825 ± 80 gas PE Bieri, Schmelzer, et al., 1980

Additional references: Jacox, 1994, page 190

Notes

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.

Bieri, Schmelzer, et al., 1980
Bieri, G.; Schmelzer, A.; Asbrink, L.; Jonsson, M., Fluorine and the fluoroderivatives of acetylene and diacetylene studied by 30.4 nm He(II) photoelectron spectroscopy, Chem. Phys., 1980, 49, 213. [all data]

Bieri, Heilbronner, et al., 1977
Bieri, G.; Heilbronner, E.; Stadelmann, J.-P.; Vogt, J.; von Niessen, W., Electronic states of difluoroacetylene, difluorodiacetylene, and perfluoropentadiyne-1,3 radical cations. A photoelectron spectroscopic investigation, J. Am. Chem. Soc., 1977, 99, 6832. [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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