CH3OH+
- Formula: CH4O+
- Molecular weight: 32.0413
- CAS Registry Number: 12538-91-9
- Information on this page:
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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: D
Energy (cm-1) |
Med. | Transition | λmin (nm) |
λmax (nm) |
References | ||
---|---|---|---|---|---|---|---|
To = 49600 ± 120 | gas | Robin and Kuebler, 1972 | |||||
MacNeil and Dixon, 1977 | |||||||
Karlsson, Jadrny, et al., 1977 | |||||||
State: C
Energy (cm-1) |
Med. | Transition | λmin (nm) |
λmax (nm) |
References | ||
---|---|---|---|---|---|---|---|
To = 38300 ± 120 | gas | Robin and Kuebler, 1972 | |||||
MacNeil and Dixon, 1977 | |||||||
Karlsson, Jadrny, et al., 1977 | |||||||
State: B
Energy (cm-1) |
Med. | Transition | λmin (nm) |
λmax (nm) |
References | ||
---|---|---|---|---|---|---|---|
To = 29420 ± 120 | gas | Robin and Kuebler, 1972 | |||||
MacNeil and Dixon, 1977 | |||||||
Karlsson, Jadrny, et al., 1977 | |||||||
State: A
Energy (cm-1) |
Med. | Transition | λmin (nm) |
λmax (nm) |
References | ||
---|---|---|---|---|---|---|---|
To = 10060 ± 120 | gas | Robin and Kuebler, 1972 | |||||
MacNeil and Dixon, 1977 | |||||||
Karlsson, Jadrny, et al., 1977 | |||||||
Tx = 21280 ± 160 | gas | Robin and Kuebler, 1972 | |||||
MacNeil and Dixon, 1977 | |||||||
Karlsson, Jadrny, et al., 1977 | |||||||
State: X
Vib. sym. |
No. | Approximate type of mode |
cm-1 | Med. | Method | References | |
---|---|---|---|---|---|---|---|
a' | CH3 umbrella | 1372 ± 80 | gas | PE | MacNeil and Dixon, 1977 Karlsson, Jadrny, et al., 1977 | ||
CO stretch ? | 895 ± 80 | gas | PE | Robin and Kuebler, 1972 MacNeil and Dixon, 1977 Karlsson, Jadrny, et al., 1977 | |||
Additional references: Jacox, 1994, page 310
Notes
o | Energy separation between the v = 0 levels of the excited and electronic ground states. |
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.
Robin and Kuebler, 1972
Robin, M.B.; Kuebler, N.A.,
Excited electronic states of the simple alcohols,
J. Electron Spectrosc. Relat. Phenom., 1972, 1, 1, 13, https://doi.org/10.1016/0368-2048(72)85003-5
. [all data]
MacNeil and Dixon, 1977
MacNeil, K.A.G.; Dixon, R.N.,
High-resolution photoelectron spectroscopy of methanol and its deuterated derivatives: Internal rotation in the ground ionic state,
J. Electron Spectrosc. Relat. Phenom., 1977, 11, 315. [all data]
Karlsson, Jadrny, et al., 1977
Karlsson, L.; Jadrny, R.; Mattsson, L.; Chau, F.T.; Siegbahn, K.,
Vibrational and Vibronic Structure in the Valence Electron Spectra of CH,
Phys. Scripta, 1977, 16, 5-6, 224, https://doi.org/10.1088/0031-8949/16/5-6/010
. [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]
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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