CH2N2+

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:   E
 Energy 
 (cm-1) 		  Med.   Transition   λmin 
 (nm) 		  λmax 
 (nm) 		  References
Tx = 85520 ± 1000 gas Bastide and Maier, 1976

State:   D
 Energy 
 (cm-1) 		  Med.   Transition   λmin 
 (nm) 		  λmax 
 (nm) 		  References
Tx = 76650 ± 1000 gas Bastide and Maier, 1976

State:   C
 Energy 
 (cm-1) 		  Med.   Transition   λmin 
 (nm) 		  λmax 
 (nm) 		  References
Tx = 63980 ± 320 gas Bastide and Maier, 1976

State:   B
 Energy 
 (cm-1) 		  Med.   Transition   λmin 
 (nm) 		  λmax 
 (nm) 		  References
To = 49460 ± 320 gas Bastide and Maier, 1976
Vib. 
sym. 		  No.   Approximate 
 type of mode 		  cm-1   Med.   Method   References
a1 2 NN stretch 2180 ± 80 gas PE Bastide and Maier, 1976
3 CH2 scissors 1360 ± 80 gas PE Bastide and Maier, 1976

State:   A
 Energy 
 (cm-1) 		  Med.   Transition   λmin 
 (nm) 		  λmax 
 (nm) 		  References
To = 38490 ± 320 gas Bastide and Maier, 1976
Vib. 
sym. 		  No.   Approximate 
 type of mode 		  cm-1   Med.   Method   References
a1 1 CH2 s-stretch 2780 ± 80 gas PE Bastide and Maier, 1976
2 NN stretch 2040 ± 80 gas PE Bastide and Maier, 1976
3 CH2 scissors 1200 ± 80 gas PE Bastide and Maier, 1976

State:   X

Vib. 
sym. 		  No.   Approximate 
 type of mode 		  cm-1   Med.   Method   References
a1 2 NN stretch 2180 ± 80 gas PE Bastide and Maier, 1976
4 CN stretch 970 ± 80 gas PE Bastide and Maier, 1976

Additional references: Jacox, 1994, page 253

Notes

oEnergy separation between the v = 0 levels of the excited and electronic ground states.
xEnergy separation between the band maximum of the excited electronic state and the v = 0 level of the ground state.

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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