C9

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:   1Su+
 Energy 
 (cm-1) 		  Med.   Transition   λmin 
 (nm) 		  λmax 
 (nm) 		  References
Tx = 34700 gas Boguslavskiy and Maier, 2006
To = 33895 ± 25 Ne 1Su+-X 292 295 Forney, Freivogel, et al., 1996
To = 32480 Ar Kurtz and Huffman, 1990
Vib. 
sym. 		  No.   Approximate 
 type of mode 		  cm-1   Med.   Method   References
306 ± 30 Ne AB Forney, Freivogel, et al., 1996

State:   ?
 Energy 
 (cm-1) 		  Med.   Transition   λmin 
 (nm) 		  λmax 
 (nm) 		  References
To = 26777 ± 15 T Ne 324 374 Forney, Freivogel, et al., 1996
Vib. 
sym. 		  No.   Approximate 
 type of mode 		  cm-1   Med.   Method   References
Σg+ 1 2535 ± 20 Ne AB Forney, Freivogel, et al., 1996
3 1041 ± 20 Ne AB Forney, Freivogel, et al., 1996
4 443 ± 20 Ne AB Forney, Freivogel, et al., 1996

State:   a
 Energy 
 (cm-1) 		  Med.   Transition   λmin 
 (nm) 		  λmax 
 (nm) 		  References
Txx = 10730 ± 80 gas Kohno, Suzuki, et al., 1999

State:   X

Vib. 
sym. 		  No.   Approximate 
 type of mode 		  cm-1   Med.   Method   References
Σg+ 2 Sym. stretch 1871 T Ar IR Gonzalez, Rittby, et al., 2011
3 Sym. stretch 1258 ± 50 gas PE Arnold, Bradforth, et al., 1991
4 Sym. stretch 484 ± 48 gas PE Arnold, Bradforth, et al., 1991
4 Sym. stretch 448 T Ar IR Szczepanski, Ekern, et al., 1996
Σu+ 5 Asym. stretch 2079.67 gas DL Van Orden, Provencal, et al., 1996
5 Asym. stretch 2081.1 Ne IR Szczepanski, Ekern, et al., 1996
Freivogel, Grutter, et al., 1997
5 Asym. stretch 2078.1 Ar IR Szczepanski, Ekern, et al., 1996
5 Asym. stretch 2079.0 T Kr IR Szczepanski, Ekern, et al., 1996
6 Asym. stretch 2014.28 gas DL Hayes and Sheridan, 1990
Van Orden, Hwang, et al., 1993
Casaes, Provencal, et al., 2002
6 Asym. stretch 2010.0 Ne IR Szczepanski, Ekern, et al., 1996
Freivogel, Grutter, et al., 1997
Tam, Macler, et al., 1997
6 Asym. stretch 1998.0 Ar IR Vala, Chandrasekhar, et al., 1988
Kurtz and Huffman, 1990
Szczepanski and Vala, 1991
Szczepanski, Ekern, et al., 1996
6 Asym. stretch 1994.2 Kr IR Szczepanski, Ekern, et al., 1996
6 Asym. stretch 2007.3 H2 IR Miki, Wakabayashi, et al., 1996
Tam, Macler, et al., 1997
7 Asym. stretch 1602.8 Ne IR Szczepanski, Ekern, et al., 1996
7 Asym. stretch 1601.0 Ar IR Kranze, Withey, et al., 1995
Szczepanski, Ekern, et al., 1996
7 Asym. stretch 1600.8 Kr IR Szczepanski, Ekern, et al., 1996

Additional references: Jacox, 1994, page 398; Jacox, 1998, page 352; Jacox, 2003, page 375; Martin, Francois, et al., 1990

Notes

TTentative assignment or approximate value
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.
xxEnergy separation between the band maxima of both the excited state and the ground state of a molecular cation, derived from a photoelectron spectrum.

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.

Boguslavskiy and Maier, 2006
Boguslavskiy, A.; Maier, J.P., Gas phase electronic spectra of the carbon chains C[sub 5], C[sub 6], C[sub 8], and C[sub 9], J. Chem. Phys., 2006, 125, 9, 094308, https://doi.org/10.1063/1.2276848 . [all data]

Forney, Freivogel, et al., 1996
Forney, D.; Freivogel, P.; Grutter, M.; Maier, J.P., Electronic absorption spectra of linear carbon chains in neon matrices. IV. C2n+1 n=2--7, J. Chem. Phys., 1996, 104, 13, 4954, https://doi.org/10.1063/1.471127 . [all data]

Kurtz and Huffman, 1990
Kurtz, J.; Huffman, D.R., Combined infrared and ultraviolet-visible spectroscopy matrix-isolated carbon vapor, J. Chem. Phys., 1990, 92, 1, 30, https://doi.org/10.1063/1.458478 . [all data]

Kohno, Suzuki, et al., 1999
Kohno, M.; Suzuki, S.; Shiromaru, H.; Achiba, Y., Characterization of the lowest triplet states of linear form C[sub 2n+1] by anion photoelectron spectroscopy, J. Chem. Phys., 1999, 110, 8, 3781, https://doi.org/10.1063/1.478269 . [all data]

Gonzalez, Rittby, et al., 2011
Gonzalez, E.; Rittby, C.M.L.; Graham, W.R.M., Isotopic Study of New Fundamentals and Combination Bands of Linear C, J. Phys. Chem. A, 2011, 115, 12, 2533, https://doi.org/10.1021/jp111974d . [all data]

Arnold, Bradforth, et al., 1991
Arnold, D.W.; Bradforth, S.E.; Kitsopoulos, T.N.; Neumark, D.M., Vibrationally Resolved Spectra of C2-C11 by Anion Photoelectron Spectroscopy, J. Chem. Phys., 1991, 95, 12, 8753, https://doi.org/10.1063/1.461211 . [all data]

Szczepanski, Ekern, et al., 1996
Szczepanski, J.; Ekern, S.; Chapo, C.; Vala, M., Infrared spectroscopy of matrix-isolated carbon clusters, with emphasis on C8 and C9, Chem. Phys., 1996, 211, 1-3, 359, https://doi.org/10.1016/0301-0104(96)00212-1 . [all data]

Van Orden, Provencal, et al., 1996
Van Orden, A.; Provencal, R.A.; Keutch, F.N.; Saykally, R.J., Infrared laser spectroscopy of jet-cooled carbon clusters: The ν5 band of linear C9, J. Chem. Phys., 1996, 105, 15, 6111, https://doi.org/10.1063/1.472470 . [all data]

Freivogel, Grutter, et al., 1997
Freivogel, P.; Grutter, M.; Forney, D.; Maier, J.P., Infrared bands of mass-selected carbon chains Cn (n = 8-12) and Cn- (n = 5-10, 12) in neon matrices, Chem. Phys., 1997, 216, 3, 401, https://doi.org/10.1016/S0301-0104(97)00038-4 . [all data]

Hayes and Sheridan, 1990
Hayes, J.C.; Sheridan, R.S., The IR spectrum of triplet phenylnitrene. On the origin of didehydroazepine in low temperature matrices, J. Am. Chem. Soc., 1990, 112, 15, 5879, https://doi.org/10.1021/ja00171a038 . [all data]

Van Orden, Hwang, et al., 1993
Van Orden, A.; Hwang, H.J.; Kuo, E.W.; Saykally, R.J., Infrared laser spectroscopy of jet-cooled carbon clusters: The bending dynamics of linear C9, J. Chem. Phys., 1993, 98, 9, 6678, https://doi.org/10.1063/1.464785 . [all data]

Casaes, Provencal, et al., 2002
Casaes, R.; Provencal, R.; Paul, J.; Saykally, R.J., High resolution pulsed infrared cavity ringdown spectroscopy: Application to laser ablated carbon clusters, J. Chem. Phys., 2002, 116, 15, 6640, https://doi.org/10.1063/1.1461825 . [all data]

Tam, Macler, et al., 1997
Tam, S.; Macler, M.; Fajardo, M.E., Matrix isolation spectroscopy of laser ablated carbon species in Ne, D[sub 2], and H[sub 2] matrices, J. Chem. Phys., 1997, 106, 22, 8955, https://doi.org/10.1063/1.474028 . [all data]

Vala, Chandrasekhar, et al., 1988
Vala, M.; Chandrasekhar, T.M.; Szczepanski, J.; Pellow, R., High Temp. Sci., 1988, 27, 19. [all data]

Szczepanski and Vala, 1991
Szczepanski, J.; Vala, M., Correlation of infrared and UV-visible bands of matrix-isolated carbon clusters, J. Phys. Chem., 1991, 95, 7, 2792, https://doi.org/10.1021/j100160a030 . [all data]

Miki, Wakabayashi, et al., 1996
Miki, M.; Wakabayashi, T.; Momose, T.; Shida, T., Infrared Spectroscopic Studies of Carbon Clusters Trapped in Solid Parahydrogen, J. Phys. Chem., 1996, 100, 30, 12135, https://doi.org/10.1021/jp961214z . [all data]

Kranze, Withey, et al., 1995
Kranze, R.H.; Withey, P.A.; Rittby, C.M.L.; Graham, W.R.M., Fourier transform infrared observation of the ν7 stretching mode of linear C9 in Ar at 10 K, J. Chem. Phys., 1995, 103, 16, 6841, https://doi.org/10.1063/1.470364 . [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]

Martin, Francois, et al., 1990
Martin, J.M.L.; Francois, J.P.; Gijbels, R., Ab initio study of the infrared spectra of linear Cn clusters (n=6--9), J. Chem. Phys., 1990, 93, 12, 8850, https://doi.org/10.1063/1.459224 . [all data]

Notes

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