HCCS

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:   A
 Energy 
 (cm-1) 		  Med.   Transition   λmin 
 (nm) 		  λmax 
 (nm) 		  References
To = 24197.4 gas A-X 377 452 Krishnamachari and Venkitachalam, 1978
Krishnamachari and Ramsay, 1981
Coquart, 1985
Dunlop, Karolczak, et al., 1988
Kohguchi, Ohshima, et al., 1996
He and Clouthier, 2004
He and Clouthier, 2005
Vib. 
sym. 		  No.   Approximate 
 type of mode 		  cm-1   Med.   Method   References
Σ+ 2 CC stretch 1843 T gas AB Krishnamachari and Ramsay, 1981
3 CS stretch 740.2 gas AB LF Krishnamachari and Venkitachalam, 1978
Krishnamachari and Ramsay, 1981
He and Clouthier, 2004
Π 5 CCS bend 328 H gas AB EM Krishnamachari and Ramsay, 1981
Coquart, 1985

State:   X

Vib. 
sym. 		  No.   Approximate 
 type of mode 		  cm-1   Med.   Method   References
Σ+ 2 CC stretch 2189 T gas EM Coquart, 1985
3 CS stretch 776.43 gas LF DR Coquart, 1985
He and Clouthier, 2004
He and Clouthier, 2005
Chauhan, Mazzotti, et al., 2010
Π 4 HCC deform. 523 ± 2 w gas LF He and Clouthier, 2005
5 CCS bend 355 ± 2 w gas LF He and Clouthier, 2005

Additional references: Jacox, 1994, page 157; Jacox, 1998, page 234; Vrtilek, Gottlieb, et al., 1992; Tang and Saito, 1996; Kim, Habara, et al., 2002

Notes

wWeak
H(1/2)(2ν)
TTentative assignment or approximate value
oEnergy separation between the v = 0 levels of the excited and electronic ground states.

References

Go To: Top, Vibrational and/or electronic energy levels, Notes

Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

Krishnamachari and Venkitachalam, 1978
Krishnamachari, S.L.N.G.; Venkitachalam, T.V., A new transient absorption spectrum observed in the flash photolysis of thiophene, Chem. Phys. Lett., 1978, 55, 1, 116, https://doi.org/10.1016/0009-2614(78)85147-1 . [all data]

Krishnamachari and Ramsay, 1981
Krishnamachari, S.L.N.G.; Ramsay, D.A., The 4114 «65533» absorption system of the HCCS radical, Discuss. Faraday Soc., 1981, 71, 205, https://doi.org/10.1039/dc9817100205 . [all data]

Coquart, 1985
Coquart, B., Emission spectrum of the HCCS radical, Can. J. Phys., 1985, 63, 10, 1362, https://doi.org/10.1139/p85-226 . [all data]

Dunlop, Karolczak, et al., 1988
Dunlop, J.R.; Karolczak, J.; Clouthier, D.J., Pyrolysis jet spectroscopy, Chem. Phys. Lett., 1988, 151, 4-5, 362, https://doi.org/10.1016/0009-2614(88)85150-9 . [all data]

Kohguchi, Ohshima, et al., 1996
Kohguchi, H.; Ohshima, Y.; Endo, Y., Laser-induced fluorescence spectra and the observation of quantum beats in the transition of the HCCS radical, Chem. Phys. Lett., 1996, 254, 5-6, 397, https://doi.org/10.1016/0009-2614(96)00272-2 . [all data]

He and Clouthier, 2004
He, S.-G.; Clouthier, D.J., Is the HCCS radical linear in the excited state?, J. Chem. Phys., 2004, 120, 18, 8544, https://doi.org/10.1063/1.1697391 . [all data]

He and Clouthier, 2005
He, S.-G.; Clouthier, D.J., Renner--Teller vibronic analysis for a tetra-atomic molecule. II. The ground state of the HCCS free radical, J. Chem. Phys., 2005, 123, 1, 014317, https://doi.org/10.1063/1.1938948 . [all data]

Chauhan, Mazzotti, et al., 2010
Chauhan, R.; Mazzotti, F.J.; Raghunandan, R.; Tulej, M.; Radi, P.O.; Maier, J.P., Rotationally Resolved Ground State Vibrational Levels of HC, J. Phys. Chem. A, 2010, 114, 9, 3329, https://doi.org/10.1021/jp909738n . [all data]

Jacox, 1994
Jacox, M.E., Vibrational and electronic energy levels of polyatomic transient molecules, American Chemical Society, Washington, DC, 1994, 464. [all data]

Jacox, 1998
Jacox, M.E., Vibrational and electronic energy levels of polyatomic transient molecules: supplement A, J. Phys. Chem. Ref. Data, 1998, 27, 2, 115-393, https://doi.org/10.1063/1.556017 . [all data]

Vrtilek, Gottlieb, et al., 1992
Vrtilek, J.M.; Gottlieb, C.A.; Gottlieb, E.W.; Wang, W.; Thaddeus, P., Laboratory measurement of the rotational spectrum of HCCS, Astrophys. J., 1992, 398, L73, https://doi.org/10.1086/186580 . [all data]

Tang and Saito, 1996
Tang, J.; Saito, S., Microwave spectroscopy of the HCCS and DCCS radicals (X 2Πi) in excited vibronic states: A study of the Renner--Teller effect, J. Chem. Phys., 1996, 105, 18, 8020, https://doi.org/10.1063/1.472715 . [all data]

Kim, Habara, et al., 2002
Kim, E.; Habara, H.; Yamamoto, S., Hyperfine Interaction Constants of the HCCS and DCCS Radicals Studied by Fourier Transform Millimeter-Wave Spectroscopy, J. Mol. Spectrosc., 2002, 212, 1, 83, https://doi.org/10.1006/jmsp.2002.8516 . [all data]

Notes

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