HC12H-

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:   (3) 2Πg
 Energy 
 (cm-1) 		  Med.   Transition   λmin 
 (nm) 		  λmax 
 (nm) 		  References
To = 31506 ± 20 Ne Grutter, Wyss, et al., 1998

State:   (2) 2Πg
 Energy 
 (cm-1) 		  Med.   Transition   λmin 
 (nm) 		  λmax 
 (nm) 		  References
To = 13526 ± 4 Ne (2) Πg-X 522 740 Grutter, Wyss, et al., 1998
Vib. 
sym. 		  No.   Approximate 
 type of mode 		  cm-1   Med.   Method   References
Σg+ CC stretch 2301 ± 7 Ne AB Grutter, Wyss, et al., 1998
CC stretch 2014 ± 7 Ne AB Grutter, Wyss, et al., 1998
C-C stretch 464 ± 6 Ne AB Grutter, Wyss, et al., 1998

State:   (1) 2Πg
 Energy 
 (cm-1) 		  Med.   Transition   λmin 
 (nm) 		  λmax 
 (nm) 		  References
To = 12814 ± 3 Ne (1) 2Πg-X 650 781 Grutter, Wyss, et al., 1998
Vib. 
sym. 		  No.   Approximate 
 type of mode 		  cm-1   Med.   Method   References
Σg+ CC stretch 2140 ± 6 Ne AB Grutter, Wyss, et al., 1998
CC stretch 1994 ± 6 Ne AB Grutter, Wyss, et al., 1998
C-C stretch 550 ± 5 Ne AB Grutter, Wyss, et al., 1998

Additional references: Jacox, 2003, page 381

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.

Grutter, Wyss, et al., 1998
Grutter, M.; Wyss, M.; Fulara, J.; Maier, J.P., Electronic Absorption Spectra of the Polyacetylene Chains HC, J. Phys. Chem. A, 1998, 102, 48, 9785, https://doi.org/10.1021/jp983185t . [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]

Notes

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