SCCS

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 = 43500 T Ar B-X Maier, Reisenauer, et al., 1990

State:   A
 Energy 
 (cm-1) 		  Med.   Transition   λmin 
 (nm) 		  λmax 
 (nm) 		  References
Tod = 25523 ± 6 Ar A-X 361 392 Maier, Reisenauer, et al., 1990
Wentrup, Kambouris, et al., 1991
Bohn, Hannachi, et al., 1992
Vib. 
sym. 		  No.   Approximate 
 type of mode 		  cm-1   Med.   Method   References
Σg+ 2 CS s-stretch 532 ± 6 Ar AB Bohn, Hannachi, et al., 1992
Πu 5 Bend 219 H T Ar AB Bohn, Hannachi, et al., 1992

State:   X

Vib. 
sym. 		  No.   Approximate 
 type of mode 		  cm-1   Med.   Method   References
Σg+ 1 CC stretch 1904 T Ar IR Maier, Reisenauer, et al., 1990
2 CS s-stretch 546 T Ar IR Maier, Reisenauer, et al., 1990
Σu+ 3 CS a-stretch 1179.7 Ar IR Maier, Reisenauer, et al., 1990
Wentrup, Kambouris, et al., 1991
Bohn, Hannachi, et al., 1992

Additional references: Jacox, 1994, page 188

Notes

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

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.

Maier, Reisenauer, et al., 1990
Maier, G.; Reisenauer, H.P.; Schrot, J.; Janoschek, R., C2S2 (Ethen-1,2-dithion), ein Beispiel für die Verletzung der Hundschen Regel?, Angew. Chem., 1990, 102, 12, 1475, https://doi.org/10.1002/ange.19901021227 . [all data]

Wentrup, Kambouris, et al., 1991
Wentrup, C.; Kambouris, P.; Evans, R.A.; Owen, D.; Macfarlane, G.; Chuche, J.; Pommelet, J.C.; Cheikh, A.B.; Plisnier, M.; Flammang, R., 2,5-Dithiacyclopentylideneketene and ethenedithione, S:C:C:S, generated by flash vacuum pyrolysis, J.Am.Chem.Soc., 1991, 113, 8, 3130, https://doi.org/10.1021/ja00008a048 . [all data]

Bohn, Hannachi, et al., 1992
Bohn, R.B.; Hannachi, Y.; Andrews, L., Production and reactions of triplet CS: matrix infrared and ultraviolet spectra of C2S2, J. Am. Chem. Soc., 1992, 114, 16, 6452, https://doi.org/10.1021/ja00042a024 . [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]

Notes

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