C9H

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:   F
 Energy 
 (cm-1) 		  Med.   Transition   λmin 
 (nm) 		  λmax 
 (nm) 		  References
To = 23509 gas Ding, Pino, et al., 2002

State:   D
 Energy 
 (cm-1) 		  Med.   Transition   λmin 
 (nm) 		  λmax 
 (nm) 		  References
To = 20205 gas Ding, Pino, et al., 2002
Vib. 
sym. 		  No.   Approximate 
 type of mode 		  cm-1   Med.   Method   References
Σ+ 7 1284 gas MPI Ding, Pino, et al., 2002
Π 11 745 gas MPI Ding, Pino, et al., 2002

State:   C
 Energy 
 (cm-1) 		  Med.   Transition   λmin 
 (nm) 		  λmax 
 (nm) 		  References
To = 18799 gas Ding, Pino, et al., 2002

State:   a
 Energy 
 (cm-1) 		  Med.   Transition   λmin 
 (nm) 		  λmax 
 (nm) 		  References
To = 9907 ± 8 gas Garand, Yacovitch, et al., 2010

State:   X

Vib. 
sym. 		  No.   Approximate 
 type of mode 		  cm-1   Med.   Method   References
Σ+ 5 1755 ± 8 gas PE Garand, Yacovitch, et al., 2010

Additional references: McCarthy, Travers, et al., 1996

Notes

oEnergy separation between the v = 0 levels of the excited and electronic ground states.

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.

Ding, Pino, et al., 2002
Ding, H.; Pino, T.; Guthe, F.; Maier, J.P., Electronic spectra of the C[sub 2n+1]H (n=2--4) radicals in the gas phase, J. Chem. Phys., 2002, 117, 18, 8362, https://doi.org/10.1063/1.1511183 . [all data]

Garand, Yacovitch, et al., 2010
Garand, E.; Yacovitch, T.I.; Zhou, J.; Sheehan, S.M.; Neumark, D.M., Slow photoelectron velocity-map imaging of the CnH- (n = 5--9) anions, Chem. Sci., 2010, 2, 2, 192, https://doi.org/10.1039/c0sc00164c . [all data]

McCarthy, Travers, et al., 1996
McCarthy, M.C.; Travers, M.J.; Kalmus, P.; Gottlieb, C.A.; Thaddeus, P., Astrophys. J. 467 L125, 1996. [all data]

Notes

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