DCCD+

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:   B
 Energy 
 (cm-1) 		  Med.   Transition   λmin 
 (nm) 		  λmax 
 (nm) 		  References
To = 56655 ± 80 gas Reutt, Wang, et al., 1986
Vib. 
sym. 		  No.   Approximate 
 type of mode 		  cm-1   Med.   Method   References
Σg+ 1 CC stretch 2275 ± 20 gas PE Baker and Turner, 1968
Reutt, Wang, et al., 1986
2 CD s-stretch 1475 ± 20 gas PE Baker and Turner, 1968
Reutt, Wang, et al., 1986

State:   A
 Energy 
 (cm-1) 		  Med.   Transition   λmin 
 (nm) 		  λmax 
 (nm) 		  References
To = 39906 ± 80 gas Reutt, Wang, et al., 1986
Vib. 
sym. 		  No.   Approximate 
 type of mode 		  cm-1   Med.   Method   References
ag 1 CD s-stretch 2280 ± 20 gas PE Reutt, Wang, et al., 1986
2 CC stretch 1450 ± 20 gas PE Reutt, Wang, et al., 1986
3 Bend 339 ± 12 gas PE Reutt, Wang, et al., 1986
bu 6 Bend 516 ± 12 gas PE Reutt, Wang, et al., 1986

State:   X

Vib. 
sym. 		  No.   Approximate 
 type of mode 		  cm-1   Med.   Method   References
Σg+ 1 CD s-stretch 2572 ± 16 gas PE Reutt, Wang, et al., 1986
2 CC stretch 1651 ± 4 gas PE Baker and Turner, 1968
Reutt, Wang, et al., 1986
Σu+ 3 CD a-stretch 2329.1 Ne IR Forney, Jacox, et al., 1992
Andrews, Kushto, et al., 1999
3 CD a-stretch 2311.5 Ar IR Jacox and Olson, 1987
Forney, Jacox, et al., 1992
Andrews, Kushto, et al., 1999
Πg 4 Bend 702 ± 12 gas PE Reutt, Wang, et al., 1986

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.

Reutt, Wang, et al., 1986
Reutt, J.E.; Wang, L.S.; Pollard, J.E.; Trevor, D.J.; Lee, Y.T.; Shirley, D.A., Photoelectron spectroscopy and inferred femtosecond intramolecular dynamics of C2H+2 and C2D+2, J. Chem. Phys., 1986, 84, 6, 3022, https://doi.org/10.1063/1.450283 . [all data]

Baker and Turner, 1968
Baker, C.; Turner, D.W., High resolution molecular photoelectron spectroscopy. III.Acetylenes and azaacetylenes, Proc. Roy. Soc. (London), 1968, A308, 19. [all data]

Forney, Jacox, et al., 1992
Forney, D.; Jacox, M.E.; Thompson, W.E., The vibrational spectra of molecular ions isolated in solid neon: HCCH+ and HCC-, J. Mol. Spectrosc., 1992, 153, 1-2, 680, https://doi.org/10.1016/0022-2852(92)90502-F . [all data]

Andrews, Kushto, et al., 1999
Andrews, L.; Kushto, G.P.; Zhou, M.; Willson, S.P.; Souter, P.F., Infrared spectrum of CCH[sup +] in solid argon and neon, J. Chem. Phys., 1999, 110, 9, 4457, https://doi.org/10.1063/1.478329 . [all data]

Jacox and Olson, 1987
Jacox, M.E.; Olson, W.B., The A 2Π--X 2Σ+ transition of HC2 isolated in solid argon, J. Chem. Phys., 1987, 86, 6, 3134, https://doi.org/10.1063/1.452024 . [all data]

Notes

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