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1-Methyl ethoxy radical


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:   B


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

To = 27171 gas B-X 330 540 Ohbayashi, Akimoto, et al., 1977
Balla, Nelson, et al., 1985
Foster, Hsu, et al., 1986
Bai, Okabe, et al., 1988
Mund, Fockenberg, et al., 1998
Carter, Atwell, et al., 2000


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

a' 1212 gas LF Carter, Atwell, et al., 2000
1152 gas LF Carter, Atwell, et al., 2000
938 gas LF Carter, Atwell, et al., 2000
C3 stretch 860 gas LF Carter, Atwell, et al., 2000
C-O stretch (w) 574.4 gas LF Balla, Nelson, et al., 1985
Foster, Hsu, et al., 1986
Mund, Fockenberg, et al., 1998
Carter, Atwell, et al., 2000
CCO s-deform. 466 gas LF Carter, Atwell, et al., 2000
CCO a-deform. 449 gas LF Carter, Atwell, et al., 2000
C3 deformation 378 gas LF Carter, Atwell, et al., 2000
CH3 s-torsion 357 gas LF Carter, Atwell, et al., 2000
CH3 a-torsion 344 gas LF Carter, Atwell, et al., 2000
290 ± 10 gas LF Mund, Fockenberg, et al., 1998

State:   A


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

To = 68 ± 30 gas Jin, Sioutis, et al., 2004


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

14,15 CO stretch 1140 ± 30 gas LF Jin, Sioutis, et al., 2004
18 986 ± 30 gas LF Jin, Sioutis, et al., 2004
19 CO stretch 913 ± 30 gas LF Jin, Sioutis, et al., 2004
22 824 ± 30 gas LF Jin, Sioutis, et al., 2004
23 456 ± 30 gas LF Jin, Sioutis, et al., 2004

State:   X


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

14 CO stretch 1169 ± 30 gas PE LF Ramond, Davico, et al., 2000
Jin, Sioutis, et al., 2004
15 1125 ± 30 gas LF Jin, Sioutis, et al., 2004
17 1033 ± 30 gas LF Jin, Sioutis, et al., 2004
18 1002 ± 30 gas LF Jin, Sioutis, et al., 2004
19 CO stretch 932 ± 30 gas LF PE Bai, Okabe, et al., 1988
Mund, Fockenberg, et al., 1998
Ramond, Davico, et al., 2000
Jin, Sioutis, et al., 2004
22 837 ± 30 gas LF Jin, Sioutis, et al., 2004
23 483 ± 30 gas PE LF Ramond, Davico, et al., 2000
Jin, Sioutis, et al., 2004
24 398 ± 30 gas PE LF Ramond, Davico, et al., 2000
Jin, Sioutis, et al., 2004
26 254 ± 30 gas LF Jin, Sioutis, et al., 2004

Additional references: Jacox, 1994, page 416; Jacox, 2003, page 391; Gopalakrishnan, Zu, et al., 2003

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.

Ohbayashi, Akimoto, et al., 1977
Ohbayashi, K.; Akimoto, H.; Tanaka, I., Emission spectra of methoxyl, ethoxyl, and isopropoxyl radicals, J. Phys. Chem., 1977, 81, 8, 798, https://doi.org/10.1021/j100523a023 . [all data]

Balla, Nelson, et al., 1985
Balla, R.J.; Nelson, H.H.; McDonald, J.R., Kinetics of the reactions of isopropoxy radicals with NO, NO2, and O2, Chem. Phys., 1985, 99, 2, 323, https://doi.org/10.1016/0301-0104(85)80129-4 . [all data]

Foster, Hsu, et al., 1986
Foster, S.C.; Hsu, Y.-C.; Damo, C.P.; Liu, X.; Kung, C.-Y.; Miller, T.A., Implications of the rotationally resolved spectra of the alkoxy radicals for their electronic structure, J. Phys. Chem., 1986, 90, 26, 6766, https://doi.org/10.1021/j100284a011 . [all data]

Bai, Okabe, et al., 1988
Bai, J.; Okabe, H.; Halpern, J.B., Fluorescence spectrum and lifetime of i-C3H7O radical, Chem. Phys. Lett., 1988, 149, 1, 37, https://doi.org/10.1016/0009-2614(88)80344-0 . [all data]

Mund, Fockenberg, et al., 1998
Mund, Ch.; Fockenberg, Ch.; Zellner, R., LIF spectra of n-propoxy and i-propoxy radicals and kinetics of their reactions with O2 and NO2, Ber. Bunsenges. Phys. Chem., 1998, 102, 5, 709, https://doi.org/10.1002/bbpc.19981020502 . [all data]

Carter, Atwell, et al., 2000
Carter, C.C.; Atwell, J.R.; Gopalakrishnan, S.; Miller, T.A., Jet-Cooled Laser-Induced Fluorescence Spectroscopy of Some Alkoxy Radicals, J. Phys. Chem. A, 2000, 104, 40, 9165, https://doi.org/10.1021/jp001835z . [all data]

Jin, Sioutis, et al., 2004
Jin, J.; Sioutis, I.; Tarczay, G.; Gopalakrishnan, S.; Bezant, A.; Miller, T.A., Dispersed fluorescence spectroscopy of primary and secondary alkoxy radicals, J. Chem. Phys., 2004, 121, 23, 11780, https://doi.org/10.1063/1.1814104 . [all data]

Ramond, Davico, et al., 2000
Ramond, T.M.; Davico, G.E.; Schwartz, R.L.; Lineberger, W.C., Vibronic structure of alkoxy radicals via photoelectron spectroscopy, J. Chem. Phys., 2000, 112, 3, 1158, https://doi.org/10.1063/1.480767 . [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, 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]

Gopalakrishnan, Zu, et al., 2003
Gopalakrishnan, S.; Zu, L.; Miller, T.A., Radiative and non-radiative decay of selected vibronic levels of the state of alkoxy radicals, Chem. Phys. Lett., 2003, 380, 5-6, 749, https://doi.org/10.1016/j.cplett.2003.08.124 . [all data]


Notes

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