C4D-

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:   ?
 Energy 
 (cm-1) 		  Med.   Transition   λmin 
 (nm) 		  λmax 
 (nm) 		  References
Td = 28478 ± 10 gas Taylor, Xu, et al., 1998
Zhou, Garand, et al., 2007

State:   1A'
 Energy 
 (cm-1) 		  Med.   Transition   λmin 
 (nm) 		  λmax 
 (nm) 		  References
To = 28614.8 gas 1A'-X 341 353 Pino, Tulej, et al., 2002
Pachkov, Pino, et al., 2003
Vib. 
sym. 		  No.   Approximate 
 type of mode 		  cm-1   Med.   Method   References
7 Deformation 196 gas MPD Pino, Tulej, et al., 2002

State:   ?
 Energy 
 (cm-1) 		  Med.   Transition   λmin 
 (nm) 		  λmax 
 (nm) 		  References
Td = 28660 ± 120 gas Taylor, Xu, et al., 1998

State:   X

Vib. 
sym. 		  No.   Approximate 
 type of mode 		  cm-1   Med.   Method   References
Π 6 Deformation 396 ± 5 gas MPD Pino, Tulej, et al., 2002
7 Deformation 212 ± 5 gas PE MPD Taylor, Xu, et al., 1998
Pino, Tulej, et al., 2002

Notes

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

Taylor, Xu, et al., 1998
Taylor, T.R.; Xu, C.; Neumark, D.M., Photoelectron spectra of the C[sub 2n]H[sup -] (n=1--4) and C[sub 2n]D[sup -] (n=1--3) anions, J. Chem. Phys., 1998, 108, 24, 10018, https://doi.org/10.1063/1.476462 . [all data]

Zhou, Garand, et al., 2007
Zhou, J.; Garand, E.; Neumark, D.M., Slow electron velocity-map imaging spectroscopy of the C[sub 4]H[sup -] and C[sub 4]D[sup -] anions, J. Chem. Phys., 2007, 127, 15, 154320, https://doi.org/10.1063/1.2795723 . [all data]

Pino, Tulej, et al., 2002
Pino, T.; Tulej, M.; Guthe, F.; Pachkov, M.; Maier, J.P., Photodetachment spectroscopy of the C[sub 2n]H[sup -] (n=2--4) anions in the vicinity of their electron detachment threshold, J. Chem. Phys., 2002, 116, 14, 6126, https://doi.org/10.1063/1.1451248 . [all data]

Pachkov, Pino, et al., 2003
Pachkov, M.; Pino, T.; Tulej, M.; Guethe, F.; Tikhomirov, K.; Maier, J.P., Rotational structure of the origin band in the, Mol. Phys., 2003, 101, 4-5, 583, https://doi.org/10.1080/0026897021000014938 . [all data]

Notes

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