HCCI+

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:   A
 Energy 
 (cm-1) 		  Med.   Transition   λmin 
 (nm) 		  λmax 
 (nm) 		  References
To = 17373.94 ± 0.03 gas A-X 521 750 Allan, Kloster-Jensen, et al., 1977
Maier and Ochsner, 1985
Fulara, Klapstein, et al., 1986
Vib. 
sym. 		  No.   Approximate 
 type of mode 		  cm-1   Med.   Method   References
Σ+ 2 CC stretch 1822 ± 2 gas LF Maier and Ochsner, 1985
3 CI stretch 407 ± 2 gas LF EF Maier and Ochsner, 1985
Fulara, Klapstein, et al., 1986
Π 4 HCC bend 612 ± 2 gas LF Maier and Ochsner, 1985
5 CCI bend 212 gas EF Fulara, Klapstein, et al., 1986

State:   X

Vib. 
sym. 		  No.   Approximate 
 type of mode 		  cm-1   Med.   Method   References
Σ+ 1 CH stretch 3258 ± 2 gas EF Fulara, Klapstein, et al., 1986
2 CC stretch 1805 ± 10 gas EF Fulara, Klapstein, et al., 1986
3 CI stretch 578 ± 2 gas EF Fulara, Klapstein, et al., 1986
Π 4 HCC bend 542 ± 10 gas EF Fulara, Klapstein, et al., 1986
5 CCI bend 237 ± 2 gas EF Fulara, Klapstein, et al., 1986

Additional references: Jacox, 1994, page 159

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.

Allan, Kloster-Jensen, et al., 1977
Allan, M.; Kloster-Jensen, E.; Maier, J.P., J. Chem. Soc., 1977, Faraday Trans. 2 73, 1406. [all data]

Maier and Ochsner, 1985
Maier, J.P.; Ochsner, M., J. Chem. Soc., 1985, Faraday Trans. 2 81, 1587. [all data]

Fulara, Klapstein, et al., 1986
Fulara, J.; Klapstein, D.; Kuhn, R.; Maier, J.P., Emission spectra of supersonically cooled haloacetylene cations: X-C.tplbond.C-H(D)+, X = Br, I, J. Phys. Chem., 1986, 90, 10, 2061, https://doi.org/10.1021/j100401a018 . [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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