CH2CHO-

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:   Dip
 Energy 
 (cm-1) 		  Med.   Transition   λmin 
 (nm) 		  λmax 
 (nm) 		  References
To = 14712.747 ± 0.005 gas Jackson, Hiberty, et al., 1981
Mead, Lykke, et al., 1984
Mullin, Murray, et al., 1992

State:   ?
 Energy 
 (cm-1) 		  Med.   Transition   λmin 
 (nm) 		  λmax 
 (nm) 		  References
Td = 14725 ± 10 gas Ellison, Engleking, et al., 1982
Alconcel, Deyerl, et al., 1999
Yacovitch, Garand, et al., 2009

State:   Dip.

Vib. 
sym. 		  No.   Approximate 
 type of mode 		  cm-1   Med.   Method   References
a' C-C stretch 1143 gas PD Mead, Lykke, et al., 1984
CCO bend 499 gas PD Mead, Lykke, et al., 1984
a Torsion 102 H gas PD Mead, Lykke, et al., 1984

State:   X

Vib. 
sym. 		  No.   Approximate 
 type of mode 		  cm-1   Med.   Method   References
a' CCO bend 525.82 gas PD Mead, Lykke, et al., 1984
Mullin, Murray, et al., 1992
Yacovitch, Garand, et al., 2009
a 10 CH2 wag 813 T gas PE Yacovitch, Garand, et al., 2009
11 CH wag 358 T gas PE Yacovitch, Garand, et al., 2009
Torsion 375 T gas PD Mead, Lykke, et al., 1984
Yacovitch, Garand, et al., 2009

Additional references: Jacox, 1994, page 320; Jacox, 1998, page 314; Jacox, 2003, page 319; Mullin, Murray, et al., 1993

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.

Jackson, Hiberty, et al., 1981
Jackson, R.L.; Hiberty, P.C.; Brauman, J.I., Threshold Resonances in the Electron Photodetachment spectrum of Acetaldehyde Anion. Evidence for a low-lying Dipole Supported State., J. Chem. Phys., 1981, 74, 7, 3705, https://doi.org/10.1063/1.441598 . [all data]

Mead, Lykke, et al., 1984
Mead, R.D.; Lykke, K.R.; Lineberger, W.C.; Marks, J.; Brauman, J.I., Spectroscopy and Dynamics of the Dipole-Bound State of Acetaldehyde Enolate., J. Chem. Phys., 1984, 81, 11, 4883., https://doi.org/10.1063/1.447515 . [all data]

Mullin, Murray, et al., 1992
Mullin, A.S.; Murray, K.K.; Schulz, C.P.; Szaflarski, D.M.; Lineberger, W.C., Autodetachment spectroscopy of vibrationally excited acetaldehyde enolate anion, CH2CHO-, Chem. Phys., 1992, 166, 1-2, 207, https://doi.org/10.1016/0301-0104(92)87019-6 . [all data]

Ellison, Engleking, et al., 1982
Ellison, G.B.; Engleking, P.C.; Lineberger, W.C., Photoelectron spectroscopy of alkoxide and enolate negative ions, J. Phys. Chem., 1982, 86, 4873. [all data]

Alconcel, Deyerl, et al., 1999
Alconcel, L.S.; Deyerl, H.-J.; Zengin, V.; Continetti, R.E., Structure and Energetics of Vinoxide and the X(, J. Phys. Chem. A, 1999, 103, 46, 9190, https://doi.org/10.1021/jp992126s . [all data]

Yacovitch, Garand, et al., 2009
Yacovitch, T.I.; Garand, E.; Neumark, D.M., Slow photoelectron velocity-map imaging spectroscopy of the vinoxide anion, J. Chem. Phys., 2009, 130, 24, 244309, https://doi.org/10.1063/1.3157208 . [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]

Jacox, 2003
Jacox, M.E., Vibrational and electronic energy levels of polyatomic transient molecules: supplement B, J. Phys. Chem. Ref. Data, 2003, 32, 1, 1-441, https://doi.org/10.1063/1.1497629 . [all data]

Mullin, Murray, et al., 1993
Mullin, A.S.; Murray, K.K.; Schulz, C.P.; Lineberger, W.C., Autodetachment dynamics of acetaldehyde enolate anion, CH2CHO-, J. Phys. Chem., 1993, 97, 40, 10281, https://doi.org/10.1021/j100142a005 . [all data]

Notes

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