DCC

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:   3ps Ryd
 Energy 
 (cm-1) 		  Med.   Transition   λmin 
 (nm) 		  λmax 
 (nm) 		  References
To = 72100 ± 1300 gas Cool and Goodwin, 1991

State:   C
 Energy 
 (cm-1) 		  Med.   Transition   λmin 
 (nm) 		  λmax 
 (nm) 		  References
To = 51493 ± 25 Ar 170 194 Chang and Graham, 1982
Vib. 
sym. 		  No.   Approximate 
 type of mode 		  cm-1   Med.   Method   References
CC stretch 2183 ± 25 Ar AB Chang and Graham, 1982
Bend 520 ± 25 Ar AB Chang and Graham, 1982

State:   A
 Energy 
 (cm-1) 		  Med.   Transition   λmin 
 (nm) 		  λmax 
 (nm) 		  References
To = 3594 ± 50 T gas Taylor, Xu, et al., 1998
Ne A-X 1030 2700 Forney, Jacox, et al., 1995
To = 3800 U Ar Jacox and Olson, 1987
Forney, Jacox, et al., 1995

State:   X

Vib. 
sym. 		  No.   Approximate 
 type of mode 		  cm-1   Med.   Method   References
Σ+ 1 CD stretch 2537.1 Ne IR Forney, Jacox, et al., 1995
Π 2 Bend 288.21 gas PE LMR Ervin and Lineberger, 1991
Schmidt, Peric, et al., 1998
Zhou, Garand, et al., 2007
Σ+ 3 CC stretch 1743.18 gas DL Kanamori and Hirota, 1988
3 CC stretch 1739.6 Ne IR Forney, Jacox, et al., 1995
Andrews, Kushto, et al., 1999
3 CC stretch 1746.3 m Ar IR Milligan, Jacox, et al., 1967
Jacox, 1975
Shepherd and Graham, 1987
Jacox and Olson, 1987
Andrews, Kushto, et al., 1999

Notes

mMedium
UUpper bound
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.

Cool and Goodwin, 1991
Cool, T.A.; Goodwin, P.M., Observation of an electronic state of C2H near 9 eV by resonance ionization spectroscopy, J. Chem. Phys., 1991, 94, 11, 6978, https://doi.org/10.1063/1.460231 . [all data]

Chang and Graham, 1982
Chang, K.W.; Graham, W.R.M., Vacuum UV spectra of photolyzed C2H2 in solid Ar at 8 K, J. Chem. Phys., 1982, 76, 11, 5238, https://doi.org/10.1063/1.442919 . [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]

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]

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]

Ervin and Lineberger, 1991
Ervin, K.M.; Lineberger, W.C., Photoelectron Spectra of C2- and C2H-, J. Phys. Chem., 1991, 95, 3, 1167, https://doi.org/10.1021/j100156a026 . [all data]

Schmidt, Peric, et al., 1998
Schmidt, C.; Peric, M.; Murtz, P.; Wienkoop, M.; Havenith, M.; Urban, W., Faraday Laser Magnetic Resonance Spectroscopy of Vibrationally Excited C2D, J. Mol. Spectrosc., 1998, 190, 1, 112, https://doi.org/10.1006/jmsp.1998.7563 . [all data]

Zhou, Garand, et al., 2007
Zhou, J.; Garand, E.; Neumark, D.M., Vibronic structure in C2H and C2D from anion slow electron velocity-map imaging spectroscopy, J. Chem. Phys., 2007, 127, 11, 114313, https://doi.org/10.1063/1.2768932 . [all data]

Kanamori and Hirota, 1988
Kanamori, H.; Hirota, E., Infrared diode laser kinetic spectroscopy of the CCD radical ν3 band, J. Chem. Phys., 1988, 88, 11, 6699, https://doi.org/10.1063/1.454414 . [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]

Milligan, Jacox, et al., 1967
Milligan, D.E.; Jacox, M.E.; Abouaf-Marguin, L., Vacuum-Ultraviolet Photolysis of Acetylene in Inert Matrices. Spectroscopic Study of the Species C2, J. Chem. Phys., 1967, 46, 12, 4562, https://doi.org/10.1063/1.1840602 . [all data]

Jacox, 1975
Jacox, M.E., Matrix isolation study of the vibrational spectrum and structure of HC2, Chem. Phys., 1975, 7, 3, 424, https://doi.org/10.1016/0301-0104(75)87025-X . [all data]

Shepherd and Graham, 1987
Shepherd, R.A.; Graham, W.R.M., FTIR study of D and 13C substituted C2H in solid argon, J. Chem. Phys., 1987, 86, 5, 2600, https://doi.org/10.1063/1.452062 . [all data]

Notes

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