HCNO+

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:   C
 Energy 
 (cm-1) 		  Med.   Transition   λmin 
 (nm) 		  λmax 
 (nm) 		  References
To = 66720 ± 1000 gas Bastide and Maier, 1976
Vib. 
sym. 		  No.   Approximate 
 type of mode 		  cm-1   Med.   Method   References
Σ+ 1 CH stretch 3000 ± 80 gas PE Bastide and Maier, 1976

State:   B
 Energy 
 (cm-1) 		  Med.   Transition   λmin 
 (nm) 		  λmax 
 (nm) 		  References
To = 56160 ± 320 gas Bastide and Maier, 1976
Vib. 
sym. 		  No.   Approximate 
 type of mode 		  cm-1   Med.   Method   References
Σ+ 2 CNO a-stretch 2420 ± 80 gas PE Bastide and Maier, 1976
3 CNO s-stretch 1070 ± 80 gas PE Bastide and Maier, 1976

State:   A
 Energy 
 (cm-1) 		  Med.   Transition   λmin 
 (nm) 		  λmax 
 (nm) 		  References
To = 36070 ± 320 gas Bastide and Maier, 1976
Vib. 
sym. 		  No.   Approximate 
 type of mode 		  cm-1   Med.   Method   References
Σ+ 3 CNO s-stretch 1100 T gas PE Bastide and Maier, 1976

State:   X

Vib. 
sym. 		  No.   Approximate 
 type of mode 		  cm-1   Med.   Method   References
Σ+ 2 CNO a-stretch 1700 ± 80 gas PE Bastide and Maier, 1976
3 CNO s-stretch 1290 ± 80 gas PE Bastide and Maier, 1976

Additional references: Jacox, 1994, page 161

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.

Bastide and Maier, 1976
Bastide, J.; Maier, J.P., Electronic states of the radical cations of the 1,3-dipoles: HCNO, CH2N2, and N3H, studied by photoelectron spectroscopy, Chem. Phys., 1976, 12, 177. [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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