H2CI-I
- Formula: CH2I2
- Molecular weight: 267.8355
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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 = 27000 | N2 | Maier and Reisenauer, 1986 | |||||
| Maier, Reisenauer, et al., 1990 | |||||||
State: ?
| Energy (cm-1) |
Med. | Transition | λmin (nm) |
λmax (nm) |
References | ||
|---|---|---|---|---|---|---|---|
| Txd = 18300 | N2 | Maier and Reisenauer, 1986 | |||||
| Maier, Reisenauer, et al., 1990 | |||||||
State: X
| Vib. sym. |
No. | Approximate type of mode |
cm-1 | Med. | Method | References | |
|---|---|---|---|---|---|---|---|
| CH2 stretch | 3151.2 | w | Ar | IR | Maier and Reisenauer, 1986 Maier, Reisenauer, et al., 1990 | ||
| CH2 stretch | 3028.0 | w | Ar | IR | Maier and Reisenauer, 1986 Maier, Reisenauer, et al., 1990 | ||
| CH2 scissors | 1372.8 | w | Ar | IR | Maier and Reisenauer, 1986 Maier, Reisenauer, et al., 1990 | ||
| CI stretch | 713.6 | w | Ar | IR | Maier and Reisenauer, 1986 Maier, Reisenauer, et al., 1990 | ||
| CI stretch | 704.6 | w m | Ar | IR | Maier and Reisenauer, 1986 Maier, Reisenauer, et al., 1990 | ||
| CH2 wag | 622.7 | s | Ar | IR | Maier and Reisenauer, 1986 Maier, Reisenauer, et al., 1990 | ||
| CH2 wag | 618.3 | s | Ar | IR | Maier and Reisenauer, 1986 Maier, Reisenauer, et al., 1990 | ||
| CH2 wag | 611.1 | vs | Ar | IR | Maier and Reisenauer, 1986 Maier, Reisenauer, et al., 1990 | ||
Additional references: Jacox, 1994, page 265
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. |
| 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 and Reisenauer, 1986
Maier, G.; Reisenauer, H.P.,
Photoisomerisierung von Dihalogenmethanen,
Angew. Chem., 1986, 98, 9, 829, https://doi.org/10.1002/ange.19860980922
. [all data]
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]
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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