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Methylidyne, cyano-

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Vibrational and/or electronic energy levels

Go To: Top, References, Notes

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:   ?


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

Td = 29100 gas Merer and Travis, 1965

State:   D


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

To = 27322 ± 15 Ne Wyss, Riaplov, et al., 2001

State:   C


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

To = 26661.80 gas C-X 310 375 Merer and Travis, 1965
Kohguchi, Ohshima, et al., 1997
To = 26645 ± 15 Ne Wyss, Riaplov, et al., 2001


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

Sigma+ 1 Stretch 1859.20 gas AB Merer and Travis, 1965
Kohguchi, Ohshima, et al., 1997
Pi 2 Bend 469.9 ± 0.4 gas AB LF Merer and Travis, 1965
Kohguchi, Ohshima, et al., 1997
Sigma+ 3 Stretch 1257 ± 4 gas LF Kohguchi, Ohshima, et al., 1997

State:   B


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

To = 22413.25 gas B-X 442 446 Merer and Travis, 1965
To = 22430 ± 10 Ne Wyss, Riaplov, et al., 2001
To = 22180 Ar Jacox, 1978


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

Pi 2 Bend 445 T gas AB Merer and Travis, 1965

State:   A


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

To = 21259.203 gas A-X 376 471 Merer and Travis, 1965
Kakimoto and Kasuya, 1982
Oliphant, Lee, et al., 1990
To = 21248 ± 10 Ne Wyss, Riaplov, et al., 2001
To = 21377 Ar A-X 373 550 Bondybey and English, 1978
Jacox, 1978


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

Sigma+ 1 Stretch 1770.77 gas AB Merer and Travis, 1965
1 Stretch 1732 ± 2 Ar LF Bondybey and English, 1978
Pi 2 Bend (w) 457.1 gas AB LF Merer and Travis, 1965
Kohguchi, Ohshima, et al., 1997
Sigma+ 3 Stretch 1241.64 gas AB Merer and Travis, 1965
3 Stretch 1225 ± 2 Ar LF Bondybey and English, 1978

State:   a


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

To = 8413 ± 7 gas Garand, Yacovitch, et al., 2009


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

Sigma+ 3 Stretch 1170 ± 7 gas PE Garand, Yacovitch, et al., 2009

State:   X


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

Sigma+ 1 Stretch 1923.25 gas LF EM Hakuta and Uehara, 1983
Brazier, O'Brien, et al., 1987
Oliphant, Lee, et al., 1990
1 Stretch 1923.25 gas DL LMR Feher, Salud, et al., 1991
Feher, Salud, et al., 1991, 2
Gillett and Brown, 1994
1 Stretch 1717 Ar LF Bondybey and English, 1978
Pi 2 Bend (w) 319.78 gas AB LF Merer and Travis, 1965
Brazier, O'Brien, et al., 1987
Allen, Evenson, et al., 2000
2 Bend («mu» 2S+) 179.60 gas LF Kohguchi, Ohshima, et al., 1997
Allen, Evenson, et al., 2000
Sigma+ 3 Stretch 1050.76 gas LF EM Hakuta and Uehara, 1983
Brazier, O'Brien, et al., 1987
Oliphant, Lee, et al., 1990
3 Stretch 1066 Ar LF Bondybey and English, 1978

Additional references: Jacox, 1994, page 68; Jacox, 1998, page 173; Jacox, 2003, page 99; Kawaguchi, Suzuki, et al., 1984; Suzuki, Saito, et al., 1985; Ohshima and Endo, 1995

Notes

TTentative assignment or approximate value
oEnergy separation between the v = 0 levels of the excited and electronic ground states.
dPhotodissociation threshold

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.

Merer and Travis, 1965
Merer, A.J.; Travis, D.N., ABSORPTION SPECTRUM OF THE CCN RADICAL, Can. J. Phys., 1965, 43, 10, 1795, https://doi.org/10.1139/p65-173 . [all data]

Wyss, Riaplov, et al., 2001
Wyss, M.; Riaplov, E.; Maier, J.P.; Hochlaf, M.; Rosmus, P., The A1«PI»(u)<--X1«SIGMA» Electronic Transition of CCN+ and CNC+, Helv. Chim. Acta, 2001, 84, 6, 1432, https://doi.org/10.1002/1522-2675(20010613)84:6<1432::AID-HLCA1432>3.0.CO;2-S . [all data]

Kohguchi, Ohshima, et al., 1997
Kohguchi, H.; Ohshima, Y.; Endo, Y., Laser-induced fluorescence spectroscopy of the C [sup 2]«SIGMA»[sup +]-X [sup 2]«PI»[sub 1/2] band system of jet-cooled CCN radical, J. Chem. Phys., 1997, 106, 13, 5429, https://doi.org/10.1063/1.473568 . [all data]

Jacox, 1978
Jacox, M.E., Matrix isolation study of the vacuum ultraviolet photolysis of methyl cyanide, J. Mol. Spectrosc., 1978, 71, 1-3, 369, https://doi.org/10.1016/0022-2852(78)90091-7 . [all data]

Kakimoto and Kasuya, 1982
Kakimoto, M.; Kasuya, T., Doppler-limited dye laser excitation spectroscopy of the CCN radical, J. Mol. Spectrosc., 1982, 94, 2, 380, https://doi.org/10.1016/0022-2852(82)90014-5 . [all data]

Oliphant, Lee, et al., 1990
Oliphant, N.; Lee, A.; Bernath, P.F.; Brazier, C.R., Fourier transform emission spectroscopy of the jet-cooled CCN free radical, J. Chem. Phys., 1990, 92, 4, 2244, https://doi.org/10.1063/1.458016 . [all data]

Bondybey and English, 1978
Bondybey, V.E.; English, J.H., Emission and excitation spectra of the CCN free radical in solid argon, J. Mol. Spectrosc., 1978, 70, 2, 236, https://doi.org/10.1016/0022-2852(78)90158-3 . [all data]

Garand, Yacovitch, et al., 2009
Garand, E.; Yacovitch, T.I.; Neumark, D.M., Slow photoelectron velocity-map imaging spectroscopy of C2N-, C4N-, and C6N-, J. Chem. Phys., 2009, 130, 6, 064304, https://doi.org/10.1063/1.3076320 . [all data]

Hakuta and Uehara, 1983
Hakuta, K.; Uehara, H., Laser-induced fluorescence spectrum of the CCN radical with an Ar+ laser, J. Chem. Phys., 1983, 78, 11, 6484, https://doi.org/10.1063/1.444687 . [all data]

Brazier, O'Brien, et al., 1987
Brazier, C.R.; O'Brien, L.C.; Bernath, P.F., Fourier transform detection of laser-induced fluorescence from the CCN free radical, J. Chem. Phys., 1987, 86, 6, 3078, https://doi.org/10.1063/1.452018 . [all data]

Feher, Salud, et al., 1991
Feher, M.; Salud, C.; Maier, J.P., The infrared laser spectrum of the «nu»1 band of CCN, J. Mol. Spectrosc., 1991, 145, 2, 246, https://doi.org/10.1016/0022-2852(91)90111-M . [all data]

Feher, Salud, et al., 1991, 2
Feher, M.; Salud, C.; Maier, J.P.; Merer, A.J., On the J-assignment of the infrared laser spectrum of CCN, J. Mol. Spectrosc., 1991, 150, 1, 280, https://doi.org/10.1016/0022-2852(91)90211-R . [all data]

Gillett and Brown, 1994
Gillett, D.A.; Brown, J.M., The laser magnetic resonance spectrum of the «nu», Can. J. Phys., 1994, 72, 11-12, 2002, https://doi.org/10.1139/p94-131 . [all data]

Allen, Evenson, et al., 2000
Allen, M.D.; Evenson, K.M.; Gillett, D.A.; Brown, J.M., Far-Infrared Laser Magnetic Resonance Spectroscopic Study of the «nu»2 Bending Fundamental of the CCN Radical in Its X2«PI»r State, J. Mol. Spectrosc., 2000, 201, 1, 18, https://doi.org/10.1006/jmsp.2000.8075 . [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]

Kawaguchi, Suzuki, et al., 1984
Kawaguchi, K.; Suzuki, T.; Saito, S.; Hirota, E.; Kasuya, T., Dye laser excitation spectroscopy of the CCN radical: The and (0,2,0)-(0,2,0) bands, J. Mol. Spectrosc., 1984, 106, 2, 320, https://doi.org/10.1016/0022-2852(84)90162-0 . [all data]

Suzuki, Saito, et al., 1985
Suzuki, T.; Saito, S.; Hirota, E., Hyperfine coupling constants of the CCN radical in the A 2«DELTA»(000) state by microwave--optical double resonance spectroscopy, J. Chem. Phys., 1985, 83, 12, 6154, https://doi.org/10.1063/1.449610 . [all data]

Ohshima and Endo, 1995
Ohshima, Y.; Endo, Y., Fourier-Transform Microwave Spectroscopy of CCN (X2«PI»1/2), J. Mol. Spectrosc., 1995, 172, 1, 225, https://doi.org/10.1006/jmsp.1995.1170 . [all data]


Notes

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