F(CC)2F+

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
To = 72200 ± 1200 gas Bieri, Heilbronner, et al., 1977

State:   C
 Energy 
 (cm-1) 		  Med.   Transition   λmin 
 (nm) 		  λmax 
 (nm) 		  References
To = 63700 ± 800 gas Bieri, Heilbronner, et al., 1977

State:   B
 Energy 
 (cm-1) 		  Med.   Transition   λmin 
 (nm) 		  λmax 
 (nm) 		  References
To = 59700 ± 800 gas Bieri, Heilbronner, et al., 1977

State:   A
 Energy 
 (cm-1) 		  Med.   Transition   λmin 
 (nm) 		  λmax 
 (nm) 		  References
To = 21230 ± 10 gas A-X 460 610 Allan, Maier, et al., 1979
Vib. 
sym. 		  No.   Approximate 
 type of mode 		  cm-1   Med.   Method   References
Σg+ 1 CC stretch 2290 ± 80 gas PE Allan, Maier, et al., 1979
2 CF stretch 1450 ± 80 gas PE Allan, Maier, et al., 1979
3 C-C stretch 520 ± 80 gas PE Allan, Maier, et al., 1979

State:   X

Vib. 
sym. 		  No.   Approximate 
 type of mode 		  cm-1   Med.   Method   References
Σg+ 1 CC stretch 2320 ± 10 gas EF Allan, Maier, et al., 1979
2 CF stretch 1550 ± 10 gas EF Allan, Maier, et al., 1979
3 C-C stretch 520 ± 10 gas EF Allan, Maier, et al., 1979
Πg 7 Deformation 300 ± 10 gas EF Allan, Maier, et al., 1979

Additional references: Jacox, 1994, page 344

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.

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]

Allan, Maier, et al., 1979
Allan, M.; Maier, J.P.; Marthaler, O.; Stadelmann, J.-P., Emission spectra of the radical cations of difluorodiacetylene, perfluoropentadiyne-1,3, and perfluorohexadiyne-2,4 in the gas phase: ?→? band systems and the lifetimes of the ? states, J. Chem. Phys., 1979, 70, 11, 5271, https://doi.org/10.1063/1.437309 . [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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