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c-CHF=CHF+


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:   F,G


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

Tx = 69150 ± 320 gas Sell and Kuppermann, 1979
Bieri, Niessen, et al., 1981

State:   D,E


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

Txd = 55110 ± 320 gas Sell and Kuppermann, 1979
Bieri, Niessen, et al., 1981

State:   C


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

Txd = 47850 ± 320 gas Sell and Kuppermann, 1979
Bieri, Niessen, et al., 1981

State:   B


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

To = 37680 ± 160 gas Maier, Marthaler, et al., 1979
Sell and Kuppermann, 1979
Bieri, Niessen, et al., 1981


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

a1 1 CH s-stretch 2610 ± 80 gas PE Sell and Kuppermann, 1979
CF s-stretch 1100 ± 80 gas PE Sell and Kuppermann, 1979

State:   A


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

Tod = 28880 ± 10 gas A-X 340 380 Maier, Marthaler, et al., 1979


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

a1 3 CH deform. 1430 ± 80 gas PE Maier, Marthaler, et al., 1979
Sell and Kuppermann, 1979
4 CF s-stretch 1020 ± 80 gas PE Maier, Marthaler, et al., 1979
Sell and Kuppermann, 1979
5 CF deform. 260 ± 10 gas EF PE Maier, Marthaler, et al., 1979

State:   X


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

a1 2 C=C stretch 1600 ± 10 gas EF Maier, Marthaler, et al., 1979
3 CH deform. 1330 ± 10 gas EF Maier, Marthaler, et al., 1979
4 CF stretch 1030 ± 10 gas EF Maier, Marthaler, et al., 1979
5 CF deform. 250 ± 10 gas EF Maier, Marthaler, et al., 1979

Additional references: Jacox, 1994, page 333; Stadelmann and Vogt, 1980; Maier and Thommen, 1981

Notes

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.
dPhotodissociation threshold

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.

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]

Maier, Marthaler, et al., 1979
Maier, J.P.; Marthaler, O.; Bieri, G., à 2A1 --> X 2B1 emission spectrum of cis-1,2-difluoroethylene cation and the non-radiation decay of the à states of the haloethylene cations in the gaseous phase, Chem. Phys., 1979, 44, 1, 131, https://doi.org/10.1016/0301-0104(79)80069-5 . [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]

Stadelmann and Vogt, 1980
Stadelmann, J.P.; Vogt, J., A photoelectron-photoion coincidence study of cis- and trans- difluoroethene, Int. J. Mass Spectrom. Ion Phys., 1980, 35, 83. [all data]

Maier and Thommen, 1981
Maier, J.P.; Thommen, F., J. Chem. Soc., 1981, Faraday Trans. 2 77, 845. [all data]


Notes

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