N4+

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:   A,B
 Energy 
 (cm-1) 		  Med.   Transition   λmin 
 (nm) 		  λmax 
 (nm) 		  References
Txd = 30300 T gas A,B-X 270 650 Smith and Lee, 1978
Jarrold, Illies, et al., 1984
Ostrander and Weisshaar, 1986

State:   X

Vib. 
sym. 		  No.   Approximate 
 type of mode 		  cm-1   Med.   Method   References
Σg+ 1 NN s-stretch 2283 T Ne IR Thompson and Jacox, 1990
Σu+ 3 NN a-stretch 2234.51 gas DL Ruchti, Speck, et al., 1996
Speck, Ruchti, et al., 1997
3 NN a-stretch 2237.6 Ne IR Jacox and Thompson, 1989
Thompson and Jacox, 1990

Additional references: Jacox, 1994, page 187; Jacox, 1998, page 250; Jacox, 2003, page 225; Knight, Johannessen, et al., 1987

Notes

TTentative assignment or approximate value
xEnergy separation between the band maximum of the excited electronic state and the v = 0 level of the ground state.
dPhotodissociation threshold

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.

Smith and Lee, 1978
Smith, G.P.; Lee, L.C., Photodissociation of atmospheric positive ions. II. 3500--8600 A, J. Chem. Phys., 1978, 69, 12, 5393, https://doi.org/10.1063/1.436569 . [all data]

Jarrold, Illies, et al., 1984
Jarrold, M.F.; Illies, A.J.; Bowers, M.T., Energy disposal in photodissociation from magic angle measurements with a crossed high-energy ion beam and laser beam: Photodissociation dynamics of the (N2)+2 cluster in the 458--514 nm range, J. Chem. Phys., 1984, 81, 1, 214, https://doi.org/10.1063/1.447365 . [all data]

Ostrander and Weisshaar, 1986
Ostrander, S.C.; Weisshaar, J.C., Excited state N2+(B) fragments from the photodissociation of N4+ at 270--290 nm, Chem. Phys. Lett., 1986, 129, 3, 220, https://doi.org/10.1016/0009-2614(86)80200-7 . [all data]

Thompson and Jacox, 1990
Thompson, W.E.; Jacox, M.E., The vibrational spectra of molecular ions isolated in solid neon. III. N+4, J. Chem. Phys., 1990, 93, 6, 3856, https://doi.org/10.1063/1.458771 . [all data]

Ruchti, Speck, et al., 1996
Ruchti, T.; Speck, T.; Connelly, J.P.; Bieske, E.J.; Linnartz, H.; Maier, J.P., Rotationally resolved infrared absorption spectrum of N+4, J. Chem. Phys., 1996, 105, 7, 2591, https://doi.org/10.1063/1.472124 . [all data]

Speck, Ruchti, et al., 1997
Speck, T.; Ruchti, T.; Linnartz, H.; Maier, J.P., LETTER TO THE EDITOR, J. Mol. Spectrosc., 1997, 185, 2, 425, https://doi.org/10.1006/jmsp.1997.7432 . [all data]

Jacox and Thompson, 1989
Jacox, M.E.; Thompson, W.E., The Production and Spectroscopy of Molecular Ions Isolated in Solid Neon, Res. Chem. Intermed., 1989, 12, 1, 33, https://doi.org/10.1163/156856789X00159 . [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]

Jacox, 1998
Jacox, M.E., Vibrational and electronic energy levels of polyatomic transient molecules: supplement A, J. Phys. Chem. Ref. Data, 1998, 27, 2, 115-393, https://doi.org/10.1063/1.556017 . [all data]

Jacox, 2003
Jacox, M.E., Vibrational and electronic energy levels of polyatomic transient molecules: supplement B, J. Phys. Chem. Ref. Data, 2003, 32, 1, 1-441, https://doi.org/10.1063/1.1497629 . [all data]

Knight, Johannessen, et al., 1987
Knight, L.B., Jr.; Johannessen, K.D.; Cobranchi, D.C.; Earl, E.A.; Feller, D.; Davidson, E.R., ESR and ab initio theoretical studies of the cation radicals 14N+4 and 15N+4 The trapping of ion--neutral reaction products in neon matrices at 4 K, J. Chem. Phys., 1987, 87, 2, 885, https://doi.org/10.1063/1.453243 . [all data]

Notes

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