FCH=C radical

Gas phase ion energetics data

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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: John E. Bartmess

View reactions leading to C2HF+ (ion structure unspecified)

Electron affinity determinations

EA (eV) Method Reference Comment
1.7180 ± 0.0060LPESGilles, Lineberger, et al., 1993 
2.20 ± 0.90EIAEHeni and Illenberger, 1986From cis-FCH=FCH

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 = 10965 ± 70 gas Gilles, Lineberger, et al., 1993
Vib. 
sym. 		  No.   Approximate 
 type of mode 		  cm-1   Med.   Method   References
a' 1100 ± 100 gas PE Gilles, Lineberger, et al., 1993
600 ± 50 gas PE Gilles, Lineberger, et al., 1993

State:   a
 Energy 
 (cm-1) 		  Med.   Transition   λmin 
 (nm) 		  λmax 
 (nm) 		  References
To = 10650 ± 70 gas Gilles, Lineberger, et al., 1993

State:   X

Vib. 
sym. 		  No.   Approximate 
 type of mode 		  cm-1   Med.   Method   References
a' 2 C=C stretch 1680 ± 30 gas PE Gilles, Lineberger, et al., 1993
4 CF stretch 960 ± 30 gas PE Gilles, Lineberger, et al., 1993
5 CCF bend 205 ± 30 gas PE Gilles, Lineberger, et al., 1993

Additional references: Jacox, 1994, page 162

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.

Gilles, Lineberger, et al., 1993
Gilles, M.K.; Lineberger, W.C.; Ervin, K.M., Photoelectron Spectroscopy of the Monofluorovinylidene and Difluorovinylidene Anions: The Monofluorovinylidene-Fluoroacetylene Rearrangement, J. Am. Chem. Soc., 1993, 115, 3, 1031, https://doi.org/10.1021/ja00056a030 . [all data]

Heni and Illenberger, 1986
Heni, M.; Illenberger, E., The Unimolecular Decompositions of the Fluoroethylene Radical Anions formed by Electron Attachment, J. Electron Spectros. Rel. Phenom., 1986, 41, 2, 453, https://doi.org/10.1016/0368-2048(86)85022-8 . [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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