CF2=CCl2+
- Formula: C2Cl2F2+
- Molecular weight: 132.924
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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: I
Energy (cm-1) |
Med. | Transition | λmin (nm) |
λmax (nm) |
References | ||
---|---|---|---|---|---|---|---|
Tx = 68820 ± 400 | gas | Lake and Thompson, 1970 | |||||
Bunzli, Frost, et al., 1976 | |||||||
Potts, Benson, et al., 1987 | |||||||
State: F,G,H
Energy (cm-1) |
Med. | Transition | λmin (nm) |
λmax (nm) |
References | ||
---|---|---|---|---|---|---|---|
Tx = 53250 ± 320 | gas | Lake and Thompson, 1970 | |||||
Bunzli, Frost, et al., 1976 | |||||||
Potts, Benson, et al., 1987 | |||||||
State: E
Energy (cm-1) |
Med. | Transition | λmin (nm) |
λmax (nm) |
References | ||
---|---|---|---|---|---|---|---|
Tx = 47200 ± 320 | gas | Lake and Thompson, 1970 | |||||
Bunzli, Frost, et al., 1976 | |||||||
Potts, Benson, et al., 1987 | |||||||
State: D
Energy (cm-1) |
Med. | Transition | λmin (nm) |
λmax (nm) |
References | ||
---|---|---|---|---|---|---|---|
Tx = 38570 ± 320 | gas | Lake and Thompson, 1970 | |||||
Bunzli, Frost, et al., 1976 | |||||||
Potts, Benson, et al., 1987 | |||||||
State: C
Energy (cm-1) |
Med. | Transition | λmin (nm) |
λmax (nm) |
References | ||
---|---|---|---|---|---|---|---|
To = 25660 ± 320 | gas | Lake and Thompson, 1970 | |||||
Bunzli, Frost, et al., 1976 | |||||||
Potts, Benson, et al., 1987 | |||||||
Vib. sym. |
No. | Approximate type of mode |
cm-1 | Med. | Method | References | |
---|---|---|---|---|---|---|---|
a1 | CCl2 scissors | 250 ± 40 | gas | PE | Lake and Thompson, 1970 Bunzli, Frost, et al., 1976 Potts, Benson, et al., 1987 | ||
State: B
Energy (cm-1) |
Med. | Transition | λmin (nm) |
λmax (nm) |
References | ||
---|---|---|---|---|---|---|---|
To = 23240 ± 320 | gas | Lake and Thompson, 1970 | |||||
Bunzli, Frost, et al., 1976 | |||||||
Potts, Benson, et al., 1987 | |||||||
Vib. sym. |
No. | Approximate type of mode |
cm-1 | Med. | Method | References | |
---|---|---|---|---|---|---|---|
a1 | CF2 s-stretch | 1070 ± 60 | gas | PE | Lake and Thompson, 1970 Bunzli, Frost, et al., 1976 Potts, Benson, et al., 1987 | ||
600 ± 40 | gas | PE | Bunzli, Frost, et al., 1976 | ||||
CCl2 scissors | 190 ± 40 | gas | PE | Lake and Thompson, 1970 Bunzli, Frost, et al., 1976 Potts, Benson, et al., 1987 | |||
State: A
Energy (cm-1) |
Med. | Transition | λmin (nm) |
λmax (nm) |
References | ||
---|---|---|---|---|---|---|---|
Tx = 20000 ± 400 | gas | Lake and Thompson, 1970 | |||||
Bunzli, Frost, et al., 1976 | |||||||
Potts, Benson, et al., 1987 | |||||||
State: X
Vib. sym. |
No. | Approximate type of mode |
cm-1 | Med. | Method | References | |
---|---|---|---|---|---|---|---|
a1 | C=C stretch | 1540 ± 40 | gas | PE | Lake and Thompson, 1970 Bunzli, Frost, et al., 1976 Potts, Benson, et al., 1987 | ||
CF2 s-stretch | 1160 ± 80 | gas | PE | Lake and Thompson, 1970 Bunzli, Frost, et al., 1976 Potts, Benson, et al., 1987 | |||
CCl2 s-stretch | 530 ± 80 | gas | PE | Lake and Thompson, 1970 Bunzli, Frost, et al., 1976 Potts, Benson, et al., 1987 | |||
Additional references: Jacox, 1994, page 352
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.
Lake and Thompson, 1970
Lake, R.F.; Thompson, H.,
Photoelectron spectra of halogenated ethylenes,
Proc. Roy. Soc. (London), 1970, A315, 323. [all data]
Bunzli, Frost, et al., 1976
Bunzli, J.C.; Frost, D.C.; Herring, F.G.; McDowell, C.A.,
Assignment of the doublet states arising from ionization of chlorine lone-pairs in molecules possessing C2v symmetry,
J. Electron Spectrosc. Relat. Phenom., 1976, 9, 289. [all data]
Potts, Benson, et al., 1987
Potts, A.W.; Benson, J.M.; Novak, I.; Svensson, W.A.,
Electron correlation effects in the valence shell photoelectron spectra of haloethenes,
Chem. Phys., 1987, 115, 2, 253, https://doi.org/10.1016/0301-0104(87)80039-3
. [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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