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C4O radical


Gas phase ion energetics data

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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: John E. Bartmess

Electron affinity determinations

EA (eV) Method Reference Comment
2.05 ± 0.15LPESOakes and Ellison, 1986Calculations ( Rienstra-Kiracofe, Ellison, et al., 2000) imply EA = 3 eV, above laser wavelength

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:   X


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

2221.7 vs Ar IR Maier, Reisenauer, et al., 1988
1922.7 s Ar IR Maier, Reisenauer, et al., 1988
1431.5 w m Ar IR Maier, Reisenauer, et al., 1988
774.8 w Ar IR Maier, Reisenauer, et al., 1988
484.0 w m Ar IR Maier, Reisenauer, et al., 1988

Additional references: Jacox, 1994, page 278; Jacox, 1998, page 294; Ohshima, Endo, et al., 1995

Notes

wWeak
mMedium
sStrong
vsVery strong

References

Go To: Top, Gas phase ion energetics data, 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.

Oakes and Ellison, 1986
Oakes, J.M.; Ellison, G.B., Photoelectron spectroscopy of radical anions, Tetrahedron, 1986, 42, 6263. [all data]

Rienstra-Kiracofe, Ellison, et al., 2000
Rienstra-Kiracofe, J.C.; Ellison, G.B.; Hoffman, B.C.; Schaefer III, H.F., The Electron Affinities of C3O and C4O, J. Phys. Chem. A, 2000, 104, 11, 2273, https://doi.org/10.1021/jp9918104 . [all data]

Maier, Reisenauer, et al., 1988
Maier, G.; Reisenauer, H.P.; Schafer, U.; Balli, H., C5O2 (1,2,3,4-Pentatetraen-1,5-dion), ein neues Oxid des Kohlenstoffs, Angew. Chem., 1988, 100, 4, 590, https://doi.org/10.1002/ange.19881000421 . [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]

Ohshima, Endo, et al., 1995
Ohshima, Y.; Endo, Y.; Ogata, T., Fourier-transform microwave spectroscopy of triplet carbon monoxides, C2O, C4O, C6O, and C8O, J. Chem. Phys., 1995, 102, 4, 1493, https://doi.org/10.1063/1.468881 . [all data]


Notes

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