Difluoromethylene cation
- Formula: CF2+
- Molecular weight: 50.0070
- IUPAC Standard InChI: InChI=1S/CF2/c2-1-3/q+1
- IUPAC Standard InChIKey: GABNKAYPQUNMGY-UHFFFAOYSA-N
- CAS Registry Number: 54250-40-7
- Chemical structure:
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Vibrational and/or electronic energy levels
Go To: Top, 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: F
| Energy (cm-1) |
Med. | Transition | λmin (nm) |
λmax (nm) |
References | ||
|---|---|---|---|---|---|---|---|
| Tx | gas | Dyke, Golob, et al., 1974 | |||||
State: E
| Energy (cm-1) |
Med. | Transition | λmin (nm) |
λmax (nm) |
References | ||
|---|---|---|---|---|---|---|---|
| Tx = 87000 ± 1000 | gas | Dyke, Golob, et al., 1974 | |||||
State: D
| Energy (cm-1) |
Med. | Transition | λmin (nm) |
λmax (nm) |
References | ||
|---|---|---|---|---|---|---|---|
| Tx = 75920 ± 160 | gas | Dyke, Golob, et al., 1974 | |||||
State: C
| Energy (cm-1) |
Med. | Transition | λmin (nm) |
λmax (nm) |
References | ||
|---|---|---|---|---|---|---|---|
| Tx = 62800 ± 1000 | gas | Dyke, Golob, et al., 1974 | |||||
State: B
| Energy (cm-1) |
Med. | Transition | λmin (nm) |
λmax (nm) |
References | ||
|---|---|---|---|---|---|---|---|
| Tx = 48200 ± 1000 | gas | Dyke, Golob, et al., 1974 | |||||
State: A
| Energy (cm-1) |
Med. | Transition | λmin (nm) |
λmax (nm) |
References | ||
|---|---|---|---|---|---|---|---|
| Tx = 40180 ± 240 | gas | Dyke, Golob, et al., 1974 | |||||
State: X
| Vib. sym. |
No. | Approximate type of mode |
cm-1 | Med. | Method | References | |
|---|---|---|---|---|---|---|---|
| a1 | 2 | Bend | 650 ± 40 | gas | PE | Dyke, Golob, et al., 1974 | |
| b2 | 3 | Asym. stretch | 1588 | T | Ar | IR | Andrews and Keelan, 1979 |
Additional references: Jacox, 1994, page 91; Hrovat and Borden, 1985
Notes
| T | Tentative assignment or approximate value |
| 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.
Dyke, Golob, et al., 1974
Dyke, J.M.; Golob, L.; Jonathan, N.; Morris, A.; Okuda, M.,
J. Chem. Soc., 1974, Faraday Trans. 2 70, 1828. [all data]
Andrews and Keelan, 1979
Andrews, L.; Keelan, B.W.,
Infrared spectra, structure, and bonding in the dihalocarbene cations in solid argon,
J. Am. Chem. Soc., 1979, 101, 13, 3500, https://doi.org/10.1021/ja00507a014
. [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]
Hrovat and Borden, 1985
Hrovat, D.A.; Borden, W.T.,
Ab initio calculations on the lowest .pi. state of difluorocarbene radical cation,
J. Am. Chem. Soc., 1985, 107, 26, 8034, https://doi.org/10.1021/ja00312a039
. [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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