CO2+2

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 = 33000 ± 115 gas <
Vib. 
sym. 		  No.   Approximate 
 type of mode 		  cm-1   Med.   Method   References
Σg+ 1 Sym. stretch 1000 T gas TPE Slattery, Field, et al., 2005

State:   b
 Energy 
 (cm-1) 		  Med.   Transition   λmin 
 (nm) 		  λmax 
 (nm) 		  References
To = 14680 ± 180 gas Hall, Avaldi, et al., 1994
Slattery, Field, et al., 2005
Vib. 
sym. 		  No.   Approximate 
 type of mode 		  cm-1   Med.   Method   References
Σg+ 1 Sym. stretch 1121 ± 15 gas TPE Slattery, Field, et al., 2005
Πu 2 Bend 395 ± 15 gas TPE Slattery, Field, et al., 2005

State:   a
 Energy 
 (cm-1) 		  Med.   Transition   λmin 
 (nm) 		  λmax 
 (nm) 		  References
To = 9520 ± 180 gas Hall, Avaldi, et al., 1994
Slattery, Field, et al., 2005
Vib. 
sym. 		  No.   Approximate 
 type of mode 		  cm-1   Med.   Method   References
Σg+ 1 Sym. stretch 1105 ± 15 gas TPE Slattery, Field, et al., 2005
Πu 2 Bend 331 ± 15 gas TPE Slattery, Field, et al., 2005

State:   X

Vib. 
sym. 		  No.   Approximate 
 type of mode 		  cm-1   Med.   Method   References
Σg+ 1 Sym. stretch 1057 ± 15 gas TPE Slattery, Field, et al., 2005
Πu 2 Bend 347 ± 15 gas TPE Slattery, Field, et al., 2005
Σu+ 3 Asym. stretch 928 ± 15 gas TPE Slattery, Field, et al., 2005

Notes

TTentative assignment or approximate value
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.

Slattery, Field, et al., 2005
Slattery, A.E.; Field, T.A.; Ahmad, M.; Hall, R.I.; Lambourne, J.; Penent, F.; Lablanquie, P.; Eland, J.H.D., Spectroscopy and metastability of CO[sub 2][sup 2+] molecular ions, J. Chem. Phys., 2005, 122, 8, 084317, https://doi.org/10.1063/1.1850895 . [all data]

Hall, Avaldi, et al., 1994
Hall, R.I.; Avaldi, L.; Dawber, G.; McConkey, A.G.; MacDonald, M.A.; King, G.C., Double photoionization of CO2, OCS, C2H2, CF4, and C6H6 studied by threshold photoelectrons coincidence (TPEsCO) spectroscopy, Chem. Phys., 1994, 187, 1-2, 125, https://doi.org/10.1016/0301-0104(94)00188-X . [all data]

Notes

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