HC3-

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:   C
 Energy 
 (cm-1) 		  Med.   Transition   λmin 
 (nm) 		  λmax 
 (nm) 		  References
To = 18042 ± 4 gas C-X 400 560 Pino, Pachkov, et al., 2004
Vib. 
sym. 		  No.   Approximate 
 type of mode 		  cm-1   Med.   Method   References
a' 3 C3 stretch 1223 ± 4 gas PD Pino, Pachkov, et al., 2004
4 HCC bend 891 ± 4 gas PD Pino, Pachkov, et al., 2004
5 C3 bend 507 ± 4 gas PD Pino, Pachkov, et al., 2004

State:   ?
 Energy 
 (cm-1) 		  Med.   Transition   λmin 
 (nm) 		  λmax 
 (nm) 		  References
Td = 14830 ± 10 gas Oakes and Ellison, 1986
Pachkov, Pino, et al., 2001
Sheehan, Parsons, et al., 2008

State:   A
 Energy 
 (cm-1) 		  Med.   Transition   λmin 
 (nm) 		  λmax 
 (nm) 		  References
To = 14740 ± 3 gas A-X 562 677 Oakes and Ellison, 1986
Pachkov, Pino, et al., 2001
Vib. 
sym. 		  No.   Approximate 
 type of mode 		  cm-1   Med.   Method   References
a' 1 CH stretch 2724.5 gas PD Pachkov, Pino, et al., 2001
2 C3 a-stretch 1872.5 gas PD Pachkov, Pino, et al., 2001
3 C3 s-stretch 1199.5 gas PD Pachkov, Pino, et al., 2001
5 CCH bend 261.5 gas PD Pachkov, Pino, et al., 2001

State:   X

Vib. 
sym. 		  No.   Approximate 
 type of mode 		  cm-1   Med.   Method   References
a' CCH bend 430 gas PD Pachkov, Pino, et al., 2001

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.

Pino, Pachkov, et al., 2004
Pino, T.; Pachkov, M.; Tulej, M.; Xu, R.; Jungen, M.; Maier, J.P., Feshbach resonances of the C, Mol. Phys., 2004, 102, 18, 1881, https://doi.org/10.1080/00268970410001668453 . [all data]

Oakes and Ellison, 1986
Oakes, J.M.; Ellison, G.B., Photoelectron spectroscopy of radical anions, Tetrahedron, 1986, 42, 6263. [all data]

Pachkov, Pino, et al., 2001
Pachkov, M.; Pino, T.; Tulej, M.; Maier, J.P., Electronic transition of C, Mol. Phys., 2001, 99, 16, 1397, https://doi.org/10.1080/00268970110061432 . [all data]

Sheehan, Parsons, et al., 2008
Sheehan, S.M.; Parsons, B.F.; Zhou, J.; Garand, E.; Yen, T.A.; Moore, D.T.; Neumark, D.M., Characterization of cyclic and linear C3H- and C3H via anion photoelectron spectroscopy, J. Chem. Phys., 2008, 128, 3, 034301, https://doi.org/10.1063/1.2812561 . [all data]

Notes

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