Sodium superoxide
- Formula: NaO2
- Molecular weight: 54.9886
- CAS Registry Number: 12034-12-7
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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 | λmin (nm) |
λmax (nm) |
References | ||
|---|---|---|---|---|---|---|---|
| Tx = 40000 | Ar | Andrews, 1976 | |||||
State: X
| Vib. sym. |
No. | Approximate type of mode |
cm-1 | Med. | Method | References | |
|---|---|---|---|---|---|---|---|
| a1 | 1 | OO stretch | 1094 | Ar | Ra | Smardzewski and Andrews, 1972 | |
| 1 | OO stretch | 1081.0 | O2 | IR | Andrews, 1969 | ||
| 2 | ONaO s-stretch | 390.7 | vs | Ar | IR | Andrews, 1969 | |
| 2 | ONaO s-stretch | 306.0 | O2 | IR | Andrews, 1969 | ||
| b2 | 3 | ONaO a-stretch | 332.8 | Ar | IR | Andrews, 1969 | |
| 3 | ONaO a-stretch | 259.0 | O2 | IR | Andrews, 1969 | ||
Notes
| vs | Very strong |
| x | Energy 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, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Andrews, 1976
Andrews, L.,
Ultraviolet absorption studies of the alkali metal atom-oxygen molecule matrix reaction,
J. Mol. Spectrosc., 1976, 61, 3, 337, https://doi.org/10.1016/0022-2852(76)90324-6
. [all data]
Smardzewski and Andrews, 1972
Smardzewski, R.R.; Andrews, L.,
Raman Spectra of the Products of Na and K Atom Argon Matrix Reactions with O2 Molecules,
J. Chem. Phys., 1972, 57, 3, 1327, https://doi.org/10.1063/1.1678396
. [all data]
Andrews, 1969
Andrews, L.,
Infrared spectra and bonding in the sodium superoxide and sodium peroxide molecules,
J. Phys. Chem., 1969, 73, 11, 3922, https://doi.org/10.1021/j100845a061
. [all data]
Notes
Go To: Top, Vibrational and/or electronic energy levels, References
- Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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