C4D

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 = 24099.191 ± 0.002 gas B-X 400 415 Hishina, Kohguchi, et al., 1998
Vib. 
sym. 		  No.   Approximate 
 type of mode 		  cm-1   Med.   Method   References
Π 5 DCC bend 295.3 ± 0.5 w gas LF Hishina, Kohguchi, et al., 1998
6 CCC bend 183.4 w gas LF Hishina, Kohguchi, et al., 1998

State:   A
 Energy 
 (cm-1) 		  Med.   Transition   λmin 
 (nm) 		  λmax 
 (nm) 		  References
To = 201 ± 10 gas Taylor, Xu, et al., 1998
Zhou, Garand, et al., 2007
Vib. 
sym. 		  No.   Approximate 
 type of mode 		  cm-1   Med.   Method   References
Σ+ 2 CC stretch 2073 L gas PE Taylor, Xu, et al., 1998
Π 6 DCC bend 437 ± 10 gas PE Zhou, Garand, et al., 2007
7 CCC bend 215 ± 10 gas PE Zhou, Garand, et al., 2007

State:   X

Vib. 
sym. 		  No.   Approximate 
 type of mode 		  cm-1   Med.   Method   References
Σ+ 1 CD stretch 2579.3 w Ar IR Shen, Doyle, et al., 1990
2 CC stretch 2056.5 w m Ar IR Shen, Doyle, et al., 1990
3 CC stretch 2052.9 Ne IR Forney, Jacox, et al., 1995
Andrews, Kushto, et al., 1999
Wu, Chen, et al., 2009
3 CC stretch 2049.6 m s Ar IR Dismuke, Graham, et al., 1975
Shen, Doyle, et al., 1990
Andrews, Kushto, et al., 1999
4 C-C stretch 895 ± 50 gas PE Taylor, Xu, et al., 1998
Π 6 DCC bend 392 ± 10 gas PE Zhou, Garand, et al., 2007
7 CCC bend 169 ± 10 gas PE Zhou, Garand, et al., 2007

Notes

wWeak
mMedium
sStrong
LLower bound
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.

Hishina, Kohguchi, et al., 1998
Hishina, K.; Kohguchi, H.; Ohshima, Y.; Endo, Y., Laser-induced fluorescence spectroscopy of the C[sub 4]H and C[sub 4]D radicals in a supersonic jet, J. Chem. Phys., 1998, 108, 9, 3465, https://doi.org/10.1063/1.475746 . [all data]

Taylor, Xu, et al., 1998
Taylor, T.R.; Xu, C.; Neumark, D.M., Photoelectron spectra of the C[sub 2n]H[sup -] (n=1--4) and C[sub 2n]D[sup -] (n=1--3) anions, J. Chem. Phys., 1998, 108, 24, 10018, https://doi.org/10.1063/1.476462 . [all data]

Zhou, Garand, et al., 2007
Zhou, J.; Garand, E.; Neumark, D.M., Slow electron velocity-map imaging spectroscopy of the C[sub 4]H[sup -] and C[sub 4]D[sup -] anions, J. Chem. Phys., 2007, 127, 15, 154320, https://doi.org/10.1063/1.2795723 . [all data]

Shen, Doyle, et al., 1990
Shen, L.N.; Doyle, T.J.; Graham, W.R.M., Fourier transform spectroscopy of C4H (butadiynyl) in Ar at 10 K: C--H and C≡C stretching modes, J. Chem. Phys., 1990, 93, 3, 1597, https://doi.org/10.1063/1.459138 . [all data]

Forney, Jacox, et al., 1995
Forney, D.; Jacox, M.E.; Thompson, W.E., The Infrared and Near-Infrared Spectra of HCC and DCC Trapped in Solid Neon, J. Mol. Spectrosc., 1995, 170, 1, 178, https://doi.org/10.1006/jmsp.1995.1065 . [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]

Wu, Chen, et al., 2009
Wu, Y.-J.; Chen, H.-F.; Camacho, C.; Sitek, H.A.; Hsu, S.-C.; Lin, M.-Y.; Chou, S.-L.; Ogilvie, J.F.; Cheng, B.-M., FORMATION AND IDENTIFICATION OF INTERSTELLAR MOLECULE LINEAR C, Astrophys. J., 2009, 701, 1, 8, https://doi.org/10.1088/0004-637X/701/1/8 . [all data]

Dismuke, Graham, et al., 1975
Dismuke, K.I.; Graham, W.R.M.; Weltner, W., Jr., Optical and ESR spectra of the C4H radical in rare gas matrices at 4 K, J. Mol. Spectrosc., 1975, 57, 1, 127, https://doi.org/10.1016/0022-2852(75)90047-8 . [all data]

Notes

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