CH3NC+

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 = 55900 ± 1000 gas Asbrink, von Niessen, et al., 1980

State:   B
 Energy 
 (cm-1) 		  Med.   Transition   λmin 
 (nm) 		  λmax 
 (nm) 		  References
To = 34860 ± 320 gas Lake and Thompson, 1971
Asbrink, von Niessen, et al., 1980
Vib. 
sym. 		  No.   Approximate 
 type of mode 		  cm-1   Med.   Method   References
770 T gas PE Lake and Thompson, 1971

State:   A
 Energy 
 (cm-1) 		  Med.   Transition   λmin 
 (nm) 		  λmax 
 (nm) 		  References
To = 7830 ± 320 gas Lake and Thompson, 1971
Asbrink, von Niessen, et al., 1980
Vib. 
sym. 		  No.   Approximate 
 type of mode 		  cm-1   Med.   Method   References
a1 2 NC stretch 1870 ± 100 gas PE Turner, 1970
Lake and Thompson, 1971
Asbrink, von Niessen, et al., 1980
3 CH3 umbrella 1130 ± 80 gas PE Turner, 1970
Lake and Thompson, 1971

State:   X

Vib. 
sym. 		  No.   Approximate 
 type of mode 		  cm-1   Med.   Method   References
a1 2 NC stretch 2280 ± 80 gas PE Turner, 1970
Lake and Thompson, 1971
Asbrink, von Niessen, et al., 1980
3 CH3 umbrella 1410 ± 80 gas PE Turner, 1970
Lake and Thompson, 1971
Asbrink, von Niessen, et al., 1980

Additional references: Jacox, 1994, page 313

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.

Asbrink, von Niessen, et al., 1980
Asbrink, L.; von Niessen, W.; Bieri, G., 30.4-nm He(II) Photoelectron spectra of organic molecules, J. Electron Spectrosc. Relat. Phenom., 1980, 21, 1, 93, https://doi.org/10.1016/0368-2048(80)85039-0 . [all data]

Lake and Thompson, 1971
Lake, R.F.; Thompson, H.W., The photoelectron spectra of methyl isocyanide and trideuteromethyl isocyanide, Spectrochim. Acta, 1971, 27A, 783. [all data]

Turner, 1970
Turner, D.W., Molecular Photoelectron Spectroscopy, Phil. Trans. Roy. Soc. (London) A268, 1970, 268, 1184, 7, https://doi.org/10.1098/rsta.1970.0059 . [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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