C4O radical
- Formula: C4O
- Molecular weight: 64.0422
- CAS Registry Number: 112022-61-4
- Information on this page:
- Options:
Gas phase ion energetics data
Go To: Top, Vibrational and/or electronic energy levels, References, Notes
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 ± 0.15 | LPES | Oakes and Ellison, 1986 | Calculations ( Rienstra-Kiracofe, Ellison, et al., 2000) imply EA = 3 eV, above laser wavelength |
Vibrational and/or electronic energy levels
Go To: Top, Gas phase ion energetics data, References, Notes
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
| w | Weak |
| m | Medium |
| s | Strong |
| vs | Very 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
Go To: Top, Gas phase ion energetics data, Vibrational and/or electronic energy levels, References
- Symbols used in this document:
EA Electron affinity - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
- The National Institute of Standards and Technology (NIST) uses its best efforts to deliver a high quality copy of the Database and to verify that the data contained therein have been selected on the basis of sound scientific judgment. However, NIST makes no warranties to that effect, and NIST shall not be liable for any damage that may result from errors or omissions in the Database.
- Customer support for NIST Standard Reference Data products.