H2CCl-Br
- Formula: CH2BrCl
- Molecular weight: 129.384
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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 | ||
|---|---|---|---|---|---|---|---|
| Txd = 26200 | Ar | Maier, Reisenauer, et al., 1990 | |||||
State: ?
| Energy (cm-1) |
Med. | Transition | λmin (nm) |
λmax (nm) |
References | ||
|---|---|---|---|---|---|---|---|
| Td = 17500 | U | Ar | Maier, Reisenauer, et al., 1990 | ||||
State: X
| Vib. sym. |
No. | Approximate type of mode |
cm-1 | Med. | Method | References | |
|---|---|---|---|---|---|---|---|
| CH2 stretch | 3038.6 | w | Ar | IR | Maier, Reisenauer, et al., 1990 | ||
| CH2 scissors | 1388.3 | w m | Ar | IR | Maier, Reisenauer, et al., 1990 Fridgen, Zhang, et al., 2000 | ||
| CCl stretch | 931.2 | w m | Ar | IR | Maier, Reisenauer, et al., 1990 Fridgen, Zhang, et al., 2000 | ||
| CH2 wag | 726.6 | vs | Ar | IR | Maier, Reisenauer, et al., 1990 Fridgen, Zhang, et al., 2000 | ||
Additional references: Jacox, 1994, page 264; Jacox, 2003, page 269
Notes
| w | Weak |
| m | Medium |
| vs | Very strong |
| U | Upper bound |
| x | Energy separation between the band maximum of the excited electronic state and the v = 0 level of the ground state. |
| d | Photodissociation threshold |
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.
Maier, Reisenauer, et al., 1990
Maier, G.; Reisenauer, H.P.; Hu, J.; Schaad, L.J.; Hess, B.A., Jr.,
Photochemical isomerization of dihalomethanes in argon matrixes,
J. Am. Chem. Soc., 1990, 112, 13, 5117, https://doi.org/10.1021/ja00169a020
. [all data]
Fridgen, Zhang, et al., 2000
Fridgen, T.D.; Zhang, X.K.; Parnis, J.M.; March, R.E.,
Isomerization and Fragmentation Products of CH,
J. Phys. Chem. A, 2000, 104, 16, 3487, https://doi.org/10.1021/jp993162u
. [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, 2003
Jacox, M.E.,
Vibrational and electronic energy levels of polyatomic transient molecules: supplement B,
J. Phys. Chem. Ref. Data, 2003, 32, 1, 1-441, https://doi.org/10.1063/1.1497629
. [all data]
Notes
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- Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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