CF3CBr
- Formula: C2BrF3
- Molecular weight: 160.921
- CAS Registry Number: 139871-62-8
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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: B
| Energy (cm-1) |
Med. | Transition | λmin (nm) |
λmax (nm) |
References | ||
|---|---|---|---|---|---|---|---|
| Tx = 42600 | Ar | O'Gara and Dailey, 1992 | |||||
State: A
| Energy (cm-1) |
Med. | Transition | λmin (nm) |
λmax (nm) |
References | ||
|---|---|---|---|---|---|---|---|
| Tx = 15000 | Ar | O'Gara and Dailey, 1992 | |||||
State: X
| Vib. sym. |
No. | Approximate type of mode |
cm-1 | Med. | Method | References | |
|---|---|---|---|---|---|---|---|
| 1229.3 | s | Ar | IR | O'Gara and Dailey, 1992 | |||
| 1178.0 | s | Ar | IR | O'Gara and Dailey, 1992 | |||
| 1147.6 | vs | Ar | IR | O'Gara and Dailey, 1992 | |||
| 858.3 | w m | Ar | IR | O'Gara and Dailey, 1992 | |||
| 745.2 | w m | Ar | IR | O'Gara and Dailey, 1992 | |||
| 626.1 | w | Ar | IR | O'Gara and Dailey, 1992 | |||
| 544.1 | w | Ar | IR | O'Gara and Dailey, 1992 | |||
| 523.6 | w | Ar | IR | O'Gara and Dailey, 1992 | |||
Additional references: Jacox, 1994, page 354
Notes
| w | Weak |
| m | Medium |
| s | Strong |
| 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.
O'Gara and Dailey, 1992
O'Gara, J.E.; Dailey, W.P.,
Direct observation, reactions under matrix-isolation conditions, and ab initio calculations for halo(trifluoromethyl)carbenes. Evidence for the photochemical addition of a carbene to dinitrogen,
J. Am. Chem. Soc., 1992, 114, 10, 3581, https://doi.org/10.1021/ja00036a001
. [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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