CNCN+

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 = 26080 ± 80 gas Grabandt, De Lange, et al., 1989
Vib. 
sym. 		  No.   Approximate 
 type of mode 		  cm-1   Med.   Method   References
710 ± 40 gas PE Grabandt, De Lange, et al., 1989

State:   B
 Energy 
 (cm-1) 		  Med.   Transition   λmin 
 (nm) 		  λmax 
 (nm) 		  References
To = 12240 ± 80 gas Grabandt, De Lange, et al., 1989
Vib. 
sym. 		  No.   Approximate 
 type of mode 		  cm-1   Med.   Method   References
2075 ± 40 gas PE Grabandt, De Lange, et al., 1989
1160 ± 40 gas PE Grabandt, De Lange, et al., 1989

State:   A
 Energy 
 (cm-1) 		  Med.   Transition   λmin 
 (nm) 		  λmax 
 (nm) 		  References
To = 310 ± 80 gas Grabandt, De Lange, et al., 1989
Vib. 
sym. 		  No.   Approximate 
 type of mode 		  cm-1   Med.   Method   References
2270 ± 40 gas PE Grabandt, De Lange, et al., 1989
1300 ± 40 gas PE Grabandt, De Lange, et al., 1989

State:   X

Vib. 
sym. 		  No.   Approximate 
 type of mode 		  cm-1   Med.   Method   References
1 CN stretch 2125.0 Ne IR Jacox and Thompson, 2007
2 CN stretch 1932.6 Ne IR Jacox and Thompson, 2007

Additional references: Jacox, 1994, page 184; Stroh, Winnewisser, et al., 1989

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.

Grabandt, De Lange, et al., 1989
Grabandt, O.; De Lange, C.A.; Mooyman, JR.; Van Der Does, T.; Bickelhaupt, F., He(I) photoelectron spectroscopy of diisocyanogen (CNNC), Chem. Phys. Lett., 1989, 155, 221. [all data]

Jacox and Thompson, 2007
Jacox, M.E.; Thompson, W.E., Infrared spectroscopy and photochemistry of NCCN[sup +] and CNCN[sup +] trapped in solid neon, J. Chem. Phys., 2007, 126, 5, 054308, https://doi.org/10.1063/1.2433945 . [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]

Stroh, Winnewisser, et al., 1989
Stroh, F.; Winnewisser, B.P.; Winnewisser, M.; Reisenauer, H.P.; Maier, G.; Goede, S.J.; Bickelhaupt, F., Matrix-isolation infrared investigation of the flash vacuum thermolysis of norbornadienone azine, Chem. Phys. Lett., 1989, 160, 2, 105, https://doi.org/10.1016/0009-2614(89)87565-7 . [all data]

Notes

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