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(CH3)2CHO2


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:   ?


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

Tx = 41700 gas 220 290 Kirsch, Parkes, et al., 1978

State:   A


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

To = 7564 ± 11 gas A-X 1178 1322 Hunziker and Wendt, 1976
Zalyubovsky, Glover, et al., 2005
Tarczay, Zalyubovsky, et al., 2005


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

OO stretch 924 ± 9 gas AB Hunziker and Wendt, 1976
Zalyubovsky, Glover, et al., 2005
Tarczay, Zalyubovsky, et al., 2005

State:   X


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

CH bend 1372 Ar IR Chettur and Snelson, 1987
CH bend 1310 Ar IR Chettur and Snelson, 1987
1178 Ar IR Chettur and Snelson, 1987
1153 Ar IR Chettur and Snelson, 1987
1130 Ar IR Chettur and Snelson, 1987
OO stretch 1101 vs Ar IR Chettur and Snelson, 1987
CC stretch 884 m s Ar IR Chettur and Snelson, 1987
CO stretch 789 m Ar IR Chettur and Snelson, 1987
Skel. bend 515 s Ar IR Chettur and Snelson, 1987
Skel. bend 450 w m Ar IR Chettur and Snelson, 1987
Skel. bend 348 m Ar IR Chettur and Snelson, 1987
Skel. bend 305 m Ar IR Chettur and Snelson, 1987

Additional references: Jacox, 1994, page 420; Adachi and Basco, 1982

Notes

wWeak
mMedium
sStrong
vsVery strong
oEnergy separation between the v = 0 levels of the excited and electronic ground states.
xEnergy separation between the band maximum of the excited electronic state and the v = 0 level of the ground state.

References

Go To: Top, Vibrational and/or electronic energy levels, NIST Free Links, Notes

Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

Kirsch, Parkes, et al., 1978
Kirsch, L.J.; Parkes, D.A.; Waddington, D.J.; Woolley, A., J. Chem. Soc., 1978, Faraday Trans. 1 74, 2293. [all data]

Hunziker and Wendt, 1976
Hunziker, H.E.; Wendt, H.R., Electronic absorption spectra of organic peroxyl radicals in the near infrared, J. Chem. Phys., 1976, 64, 8, 3488, https://doi.org/10.1063/1.432606 . [all data]

Zalyubovsky, Glover, et al., 2005
Zalyubovsky, S.J.; Glover, B.G.; Miller, T.A.; Hayes, C.; Merle, J.K.; Hadad, C.M., Observation of the Ã-X Electronic Transition of the 1-C, J. Phys. Chem. A, 2005, 109, 7, 1308, https://doi.org/10.1021/jp0457850 . [all data]

Tarczay, Zalyubovsky, et al., 2005
Tarczay, G.; Zalyubovsky, S.J.; Miller, T.A., Conformational analysis of the 1- and 2-propyl peroxy radicals, Chem. Phys. Lett., 2005, 406, 1-3, 81, https://doi.org/10.1016/j.cplett.2005.02.089 . [all data]

Chettur and Snelson, 1987
Chettur, G.; Snelson, A., Alkylperoxy and alkyl radicals. 3. Infrared spectra and ultraviolet photolysis of isopropylperoxy and isopropyl radicals in argon + oxygen matrixes, J. Phys. Chem., 1987, 91, 4, 913, https://doi.org/10.1021/j100288a030 . [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]

Adachi and Basco, 1982
Adachi, H.; Basco, N., Spectra of propylperoxy radicals and rate constants for mutual interaction, Int. J. Chem. Kinet., 1982, 14, 10, 1125, https://doi.org/10.1002/kin.550141006 . [all data]


Notes

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