Home Symbol which looks like a small house Up Solid circle with an upward pointer in it

D2C=C:-


Vibrational and/or electronic energy levels

Go To: Top, References, Notes

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   «lambda»min 
 (nm) 
 «lambda»max 
 (nm) 
 References

Td = 3970 ± 50 gas Ervin, Ho, et al., 1989

State:   X


Vib. 
sym. 
 No.   Approximate 
 type of mode 
 cm-1   Med.   Method   References

a1 1 CD2 s-stretch 1959 ± 5 A gas PF Gerardi, Breen, et al., 2010
3 CD2 scissors 960 ± 20 gas PE Ervin, Ho, et al., 1989
b2 5 CD2 a-stretch 1983 ± 5 A gas PF Gerardi, Breen, et al., 2010
Gerardi, Breen, et al., 2010

Notes

dPhotodissociation threshold
A0~1 cm-1 uncertainty

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.

Ervin, Ho, et al., 1989
Ervin, K.M.; Ho, J.; Linberger, W.C., A Study of the Singlet and Triplet States of Vinylidene by Photoelectron Spectroscopy of H2C=C-, D2C=C-, and HDC=C-. Vinylidene-Acetylene Isomerization, J. Chem. Phys., 1989, 91, 10, 5974, https://doi.org/10.1063/1.457415 . [all data]

Gerardi, Breen, et al., 2010
Gerardi, H.K.; Breen, K.J.; Guasco, T.L.; Weddle, G.H.; Gardenier, G.H.; Laaser, J.E.; Johnson, M.A., Survey of Ar-Tagged Predissociation and Vibrationally Mediated Photodetachment Spectroscopies of the Vinylidene Anion, C, J. Phys. Chem. A, 2010, 114, 3, 1592, https://doi.org/10.1021/jp9095419 . [all data]


Notes

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