ClCCBr+


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 = 60432 ± 160 gas Heilbronner, Hornung, et al., 1970

State:   C


 Energy 
 (cm-1
 Med.   Transition   λmin 
 (nm) 
 λmax 
 (nm) 
 References

To = 49136 ± 160 gas Heilbronner, Hornung, et al., 1970

State:   B


 Energy 
 (cm-1
 Med.   Transition   λmin 
 (nm) 
 λmax 
 (nm) 
 References

To = 33080 ± 160 gas Heilbronner, Hornung, et al., 1970

State:   A


 Energy 
 (cm-1
 Med.   Transition   λmin 
 (nm) 
 λmax 
 (nm) 
 References

To = 21441 gas A-X 426 550 Klapstein, Maier, et al., 1984


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

Σ+ 1 CC stretch 2172 ± 2 gas EF Klapstein, Maier, et al., 1984
2 CCl stretch 878 ± 2 gas EF Klapstein, Maier, et al., 1984
3 CBr stretch 334 ± 2 gas EF Klapstein, Maier, et al., 1984
Π 4 CCCl bend 304 ± 2 gas EF Klapstein, Maier, et al., 1984
5 CCBr bend 182 ± 2 gas EF Klapstein, Maier, et al., 1984

State:   X


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

Σ+ 1 CC stretch 2011 ± 2 gas EF Klapstein, Maier, et al., 1984
2 CCl stretch 1017 ± 2 gas EF Klapstein, Maier, et al., 1984
3 CBr stretch 405 ± 2 gas EF Klapstein, Maier, et al., 1984
Π 5 CCBr bend 246 ± 2 gas LF Klapstein, Maier, et al., 1984

Additional references: Jacox, 1994, page 191; Maier and Thommen, 1982

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.

Heilbronner, Hornung, et al., 1970
Heilbronner, E.; Hornung, V.; Kloster-Jensen, E., Die Photoelektron-Spektren der Dihalogen-acetylene, Helv. Chim. Acta, 1970, 53, 331. [all data]

Klapstein, Maier, et al., 1984
Klapstein, D.; Maier, J.P.; Ochsner, M.; Zambach, W., Emission and laser excitation spectra of the A2Π → X2Π transition of rotationally cooled bromochloroacetylene cation in the gas phase, J. Electron Spectrosc. Relat. Phenom., 1984, 34, 161. [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]

Maier and Thommen, 1982
Maier, J.P.; Thommen, F., Relaxation of dihaloacetylene cations in their A and B states studied by photoelectron-photoion coincidence spectroscopy, Chem. Phys., 1982, 70, 325. [all data]


Notes

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