CD2CCD

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 = 29189 ± 17 Ne B-X 310 343 Wyss, Riaplov, et al., 2001
Vib. 
sym. 		  No.   Approximate 
 type of mode 		  cm-1   Med.   Method   References
a' 6 CCD bend 547 ± 25 Ne AB Wyss, Riaplov, et al., 2001
8 C3 deform. 301 ± 25 Ne AB Wyss, Riaplov, et al., 2001

State:   X

Vib. 
sym. 		  No.   Approximate 
 type of mode 		  cm-1   Med.   Method   References
CD stretch 2546.8 m Ar IR Jacox and Milligan, 1974
Huang and Graham, 1990
CCD bend 552.9 m Ar IR Jacox and Milligan, 1974
479.8 Ar IR Huang and Graham, 1990
350 T gas PE Robinson, Polak, et al., 1995

Notes

mMedium
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.

Wyss, Riaplov, et al., 2001
Wyss, M.; Riaplov, E.; Maier, J.P., Electronic and infrared spectra of H[sub 2]C[sub 3]H[sup +] and cyclic C[sub 3]H[sub 3][sup +] in neon matrices, J. Chem. Phys., 2001, 114, 23, 10355, https://doi.org/10.1063/1.1367394 . [all data]

Jacox and Milligan, 1974
Jacox, M.E.; Milligan, D.E., Matrix isolation study of the vacuum ultraviolet photolysis of allene and methylacetylene. Vibrational and electronic spectra of the species C3, C3H, C3H2, and C3H3, Chem. Phys., 1974, 4, 1, 45, https://doi.org/10.1016/0301-0104(74)80047-9 . [all data]

Huang and Graham, 1990
Huang, J.W.; Graham, W.R.M., Fourier transform infrared study of tricarbon hydride radicals trapped in Ar at 10 K, J. Chem. Phys., 1990, 93, 3, 1583, https://doi.org/10.1063/1.459137 . [all data]

Robinson, Polak, et al., 1995
Robinson, M.S.; Polak, M.L.; Bierbaum, V.M.; DePuy, C.H.; Lineberger, W.C., Experimental Studies of Allene, Methylacetylene, and the Propargyl Radical: Bond Dissociation Energies, Gas-Phase Acidities, and Ion-Molecule Chemistry, J. Am. Chem. Soc., 1995, 117, 25, 6766, https://doi.org/10.1021/ja00130a017 . [all data]

Notes

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