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CH3CHO+


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:   E


 Energy 
 (cm-1
 Med.   Transition   «lambda»min 
 (nm) 
 «lambda»max 
 (nm) 
 References

To = 47930 ± 400 gas Chadwick and Katrib, 1974
Cvitas, Gusten, et al., 1976


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

a' CO stretch 1200 ± 40 gas PE Cvitas, Gusten, et al., 1976

State:   C,D


 Energy 
 (cm-1
 Med.   Transition   «lambda»min 
 (nm) 
 «lambda»max 
 (nm) 
 References

To = 37840 ± 400 gas Chadwick and Katrib, 1974
Cvitas, Gusten, et al., 1976

State:   B


 Energy 
 (cm-1
 Med.   Transition   «lambda»min 
 (nm) 
 «lambda»max 
 (nm) 
 References

To = 28160 ± 400 Chadwick and Katrib, 1974
Cvitas, Gusten, et al., 1976

State:   A


 Energy 
 (cm-1
 Med.   Transition   «lambda»min 
 (nm) 
 «lambda»max 
 (nm) 
 References

To = 18560 ± 240 gas Chadwick and Katrib, 1974
Cvitas, Gusten, et al., 1976


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

a' CO stretch 1210 ± 40 gas PE Chadwick and Katrib, 1974
Cvitas, Gusten, et al., 1976
CCO deform. 440 ± 40 gas PE Chadwick and Katrib, 1974
Cvitas, Gusten, et al., 1976

State:   X


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

a' CH stretch 2815 ± 10 gas PE Kim and Anderson, 2001
CH stretch 2570 ± 40 gas PE Cvitas, Gusten, et al., 1976
1428 ± 10 gas PE Kim and Anderson, 2001
CH3 deform. 1315 ± 10 gas PE Chadwick and Katrib, 1974
Cvitas, Gusten, et al., 1976
Kim and Anderson, 2001
CH deform. 1100 ± 40 gas PE Chadwick and Katrib, 1974
Cvitas, Gusten, et al., 1976
1032 ± 10 gas PE Kim and Anderson, 2001
823 ± 10 gas PE Kim and Anderson, 2001
10 CH3 rock 363 ± 10 gas PE Kim and Anderson, 2001
a 14 CH3 rock 742 ± 10 gas PE Chadwick and Katrib, 1974
Cvitas, Gusten, et al., 1976
Kim and Anderson, 2001
15 Torsion 145 ± 10 gas PE Kim and Anderson, 2001

Additional references: Jacox, 2003, page 336

Notes

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.

Chadwick and Katrib, 1974
Chadwick, D.; Katrib, A., Photoelectron spectra of acetaldehyde and acetyl halides, J. Electron Spectrosc. Relat. Phenom., 1974, 3, 39. [all data]

Cvitas, Gusten, et al., 1976
Cvitas, T.; Gusten, H.; Klasinc, L., Deuterium shifts in the high resolution photoelectron spectra of acetaldehyde, J. Chem. Phys., 1976, 64, 6, 2549, https://doi.org/10.1063/1.432506 . [all data]

Kim and Anderson, 2001
Kim, H.-T.; Anderson, S.L., Multiphoton ionization photoelectron spectroscopy of acetaldehyde via the A [sup 1]A[sup ´´], B, C, and D states, J. Chem. Phys., 2001, 114, 7, 3018, https://doi.org/10.1063/1.1340566 . [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]


Notes

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