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Isocyanogen


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


 Energy 
 (cm-1
 Med.   Transition   «lambda»min 
 (nm) 
 «lambda»max 
 (nm) 
 References

To = 42523 U gas Lynch, Bechtel, et al., 2007


Vib. 
sym. 
 No.   Approximate 
 type of mode 
 cm-1   Med.   Method   References

a' 5 Bend 200 T gas PF Lynch, Bechtel, et al., 2007

State:   X


Vib. 
sym. 
 No.   Approximate 
 type of mode 
 cm-1   Med.   Method   References

Sigma+ 1 CN s-stretch 2302.00 gas IR CARS Stroh and Winnewisser, 1989
Stroh, Winnewisser, et al., 1994
Li, Wong, et al., 2003
1 CN s-stretch 2303.7 vs Ne IR Jacox and Thompson, 2007
1 CN s-stretch 2294.4 Ar IR Stroh, Winnewisser, et al., 1989
2 CN a-stretch 2059.73 gas IR CARS Stroh and Winnewisser, 1989
Stroh, Winnewisser, et al., 1994
McNaughton, Metha, et al., 1995
Li, Wong, et al., 2003
2 CN a-stretch 2060.8 vs Ne IR Jacox and Thompson, 2007
2 CN a-stretch 2053.7 Ar IR Stroh, Winnewisser, et al., 1989
3 N-C stretch 974.42 gas IR Stroh, Winnewisser, et al., 1993
3 N-C stretch 883.93 gas IR Stroh, Winnewisser, et al., 1993
3 N-C stretch 980.3 w m Ne IR Jacox and Thompson, 2007
3 N-C stretch 889.6 w Ne IR Jacox and Thompson, 2007
3 N-C stretch 979.2 Ar IR Stroh, Winnewisser, et al., 1989
Pi 4 Bend 463.69 gas IR Stroh, Winnewisser, et al., 1989
Winnewisser, Seibert, et al., 1992
Stroh, Winnewisser, et al., 1993
4 Bend 468.2 m Ne IR Jacox and Thompson, 2007
4 Bend 468.5 Ar IR Stroh, Winnewisser, et al., 1989
4 Bend 467.2 Ar IR Stroh, Winnewisser, et al., 1989
5 Bend 194.93 gas IR Stroh and Winnewisser, 1989
Stroh, Winnewisser, et al., 1993
5 Bend 200 T Ar IR Stroh and Winnewisser, 1989

Additional references: Jacox, 1994, page 185; Jacox, 1998, page 248; Yamada, Markus, et al., 1989; Gerry, Stroh, et al., 1990

Notes

wWeak
mMedium
vsVery strong
UUpper bound
TTentative assignment or approximate value
oEnergy separation between the v = 0 levels of the excited and electronic ground states.

References

Go To: Top, Vibrational and/or electronic energy levels, Notes

Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

Lynch, Bechtel, et al., 2007
Lynch, W.B.; Bechtel, H.A.; Steeves, A.H.; Curley, J.J.; Field, R.W., Observation of the A [sup 1]A[sup ´´] state of isocyanogen, J. Chem. Phys., 2007, 126, 24, 244307, https://doi.org/10.1063/1.2745295 . [all data]

Stroh and Winnewisser, 1989
Stroh, F.; Winnewisser, M., Isocyanogen, CNCN: Infrared and microwave spectra and structure, Chem. Phys. Lett., 1989, 155, 1, 21, https://doi.org/10.1016/S0009-2614(89)87353-1 . [all data]

Stroh, Winnewisser, et al., 1994
Stroh, F.; Winnewisser, M.; Winnewisser, B.P., The high-resolution Fourier transform infrared spectrum of isocyanogen, CNCN: rovibrational analysis of the «nu», Can. J. Phys., 1994, 72, 11-12, 1252, https://doi.org/10.1139/p94-161 . [all data]

Li, Wong, et al., 2003
Li, P.; Wong, L.K.; Fan, W.Y., Vibrational spectroscopy and 266 nm photochemistry of NCNCS and CNCN, Chem. Phys. Lett., 2003, 380, 1-2, 117, https://doi.org/10.1016/j.cplett.2003.09.016 . [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]

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]

McNaughton, Metha, et al., 1995
McNaughton, D.; Metha, G.F.; Tay, R., Generation of transient species by laser induced pyrolysis. The high resolution fourier transform infrared spectrum of NCN, Chem. Phys., 1995, 198, 1-2, 107, https://doi.org/10.1016/0301-0104(95)00120-D . [all data]

Stroh, Winnewisser, et al., 1993
Stroh, F.; Winnewisser, M.; Winnewisser, B.P., The High-Resolution Fourier Transform Infrared Spectrum of Isocyanogen, CNCN: Rovibrational Analysis of the «nu»4, «nu»5, and «nu»4 + «nu»5 Band Systems and the Fermi Dyad «nu»3 and 2«nu»4, J. Mol. Spectrosc., 1993, 162, 2, 435, https://doi.org/10.1006/jmsp.1993.1296 . [all data]

Winnewisser, Seibert, et al., 1992
Winnewisser, M.; Seibert, J.W.G.; Yamada, K.M.T., Rotational spectrum of CNCN in excited vibrational states, J. Mol. Spectrosc., 1992, 153, 1-2, 635, https://doi.org/10.1016/0022-2852(92)90499-E . [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]

Yamada, Markus, et al., 1989
Yamada, K.M.T.; Markus, M.W.; Winnewisser, G.; Joentgen, W.; Kock, R.; Voegl, E.; Altenbach, H.-J., Isocyanogen as a pyrolysis product of N-cyano-2,3-diphenyl-cyclopropeneimine, Chem. Phys. Lett., 1989, 160, 2, 113, https://doi.org/10.1016/0009-2614(89)87566-9 . [all data]

Gerry, Stroh, et al., 1990
Gerry, M.C.L.; Stroh, F.; Winnewisser, M., The microwave fourier transform, millimeter-wave, and submillimeter-wave rotational spectra of isocyanogen, CNCN, J. Mol. Spectrosc., 1990, 140, 1, 147, https://doi.org/10.1016/0022-2852(90)90013-G . [all data]


Notes

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