DC7D

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:   A
 Energy 
 (cm-1) 		  Med.   Transition   λmin 
 (nm) 		  λmax 
 (nm) 		  References
To = 19943.2 gas A-X 457 502 Ball, McCarthy, et al., 1999
Ball, McCarthy, et al., 2000
To = 19932 ± 5 Ne A-X 410 503 Fulara, Freivogel, et al., 1995
To = 19891 ± 5 Ne A-X 410 503 Fulara, Freivogel, et al., 1995
Vib. 
sym. 		  No.   Approximate 
 type of mode 		  cm-1   Med.   Method   References
Σg+ 2 CC s-stretch 1926.6 ± 0.2 gas CR Ball, McCarthy, et al., 2000
2 CC s-stretch 1935 ± 5 Ne AB Fulara, Freivogel, et al., 1995
4 551 ± 5 Ne AB Fulara, Freivogel, et al., 1995
Π CD bend 202 H T Ne AB Fulara, Freivogel, et al., 1995

Notes

H(1/2)(2ν)
TTentative assignment or approximate value
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.

Ball, McCarthy, et al., 1999
Ball, C.D.; McCarthy, M.C.; Thaddeus, P., Laser Spectroscopy of the Carbon Chains HC[TINF]7[/TINF]H and HC[TINF]9[/TINF]H, Astrophys. J., 1999, 523, 1, L89, https://doi.org/10.1086/312255 . [all data]

Ball, McCarthy, et al., 2000
Ball, C.D.; McCarthy, M.C.; Thaddeus, P., Cavity ringdown spectroscopy of the linear carbon chains HC[sub 7]H, HC[sub 9]H, HC[sub 11]H, and HC[sub 13]H, J. Chem. Phys., 2000, 112, 23, 10149, https://doi.org/10.1063/1.481655 . [all data]

Fulara, Freivogel, et al., 1995
Fulara, J.; Freivogel, P.; Forney, D.; Maier, J.P., Electronic absorption spectra of linear carbon chains in neon matrices. III. HC2n+1H, J. Chem. Phys., 1995, 103, 20, 8805, https://doi.org/10.1063/1.470069 . [all data]

Notes

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