WCH

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:   C
 Energy 
 (cm-1) 		  Med.   Transition   λmin 
 (nm) 		  λmax 
 (nm) 		  References
To = 14109.7 gas C-X 652 709 Barnes, Gillett, et al., 1996
Vib. 
sym. 		  No.   Approximate 
 type of mode 		  cm-1   Med.   Method   References
Π 2 Bend 554 gas LF Barnes, Gillett, et al., 1996
Σ+ 3 WC stretch 862 gas LF Barnes, Gillett, et al., 1996

State:   B
 Energy 
 (cm-1) 		  Med.   Transition   λmin 
 (nm) 		  λmax 
 (nm) 		  References
To = 13391.7 gas B-X 680 747 Barnes, Gillett, et al., 1996
Vib. 
sym. 		  No.   Approximate 
 type of mode 		  cm-1   Med.   Method   References
Π 2 Bend 505 gas LF Barnes, Gillett, et al., 1996
Σ+ 3 WC stretch 819 gas LF Barnes, Gillett, et al., 1996

State:   A
 Energy 
 (cm-1) 		  Med.   Transition   λmin 
 (nm) 		  λmax 
 (nm) 		  References
To = 12090.3 gas A-X 749 827 Barnes, Gillett, et al., 1996
Vib. 
sym. 		  No.   Approximate 
 type of mode 		  cm-1   Med.   Method   References
Π 2 Bend 489 gas LF Barnes, Gillett, et al., 1996
Σ+ 3 WC stretch 936 gas LF Barnes, Gillett, et al., 1996

State:   a
 Energy 
 (cm-1) 		  Med.   Transition   λmin 
 (nm) 		  λmax 
 (nm) 		  References
To = 813 gas Barnes, Gillett, et al., 1996
Vib. 
sym. 		  No.   Approximate 
 type of mode 		  cm-1   Med.   Method   References
Π 2 Bend 612 ± 5 gas LF Barnes, Gillett, et al., 1996
Σ+ 3 WC stretch 971 ± 5 gas LF Barnes, Gillett, et al., 1996

State:   X

Vib. 
sym. 		  No.   Approximate 
 type of mode 		  cm-1   Med.   Method   References
Π 2 Bend 660 ± 5 gas LF Barnes, Gillett, et al., 1996
Σ+ 3 WC stretch 1006 ± 5 gas LF Barnes, Gillett, et al., 1996

Additional references: Jacox, 1998, page 137

Notes

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.

Barnes, Gillett, et al., 1996
Barnes, M.; Gillett, D.A.; Merer, A.J.; Metha, G.F., The near infrared electronic spectrum of tungsten methylidyne, WCH, J. Chem. Phys., 1996, 105, 15, 6168, https://doi.org/10.1063/1.472502 . [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]

Notes

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