CF2Cl2+
- Formula: CCl2F2+
- Molecular weight: 120.913
- CAS Registry Number: 67737-72-8
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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: H
Energy (cm-1) |
Med. | Transition | λmin (nm) |
λmax (nm) |
References | ||
---|---|---|---|---|---|---|---|
Tx = 68200 ± 1000 | gas | Jochims, Lohr, et al., 1976 | |||||
Bunzli, Frost, et al., 1976 | |||||||
Jadrny, Karlsson, et al., 1977 | |||||||
Vib. sym. |
No. | Approximate type of mode |
cm-1 | Med. | Method | References | |
---|---|---|---|---|---|---|---|
a1 | 2 | CCl2 stretch | 565 | T | gas | PE | Jadrny, Karlsson, et al., 1977 |
State: G
Energy (cm-1) |
Med. | Transition | λmin (nm) |
λmax (nm) |
References | ||
---|---|---|---|---|---|---|---|
To = 56160 ± 160 | gas | Doucet, Sauvageau, et al., 1973 | |||||
Jochims, Lohr, et al., 1976 | |||||||
Bunzli, Frost, et al., 1976 | |||||||
Jadrny, Karlsson, et al., 1977 | |||||||
Vib. sym. |
No. | Approximate type of mode |
cm-1 | Med. | Method | References | |
---|---|---|---|---|---|---|---|
a1 | 2 | CCl2 stretch | 550 ± 80 | gas | PE | Jadrny, Karlsson, et al., 1977 | |
State: E,F
Energy (cm-1) |
Med. | Transition | λmin (nm) |
λmax (nm) |
References | ||
---|---|---|---|---|---|---|---|
Tx = 36500 ± 160 | gas | Doucet, Sauvageau, et al., 1973 | |||||
Jochims, Lohr, et al., 1976 | |||||||
Bunzli, Frost, et al., 1976 | |||||||
Jadrny, Karlsson, et al., 1977 | |||||||
Tx = 32300 | Ar | Andrews and Prochaska, 1979 | |||||
State: ?
Energy (cm-1) |
Med. | Transition | λmin (nm) |
λmax (nm) |
References | ||
---|---|---|---|---|---|---|---|
Td = 23800 | L | Ar | Andrews and Prochaska, 1979 | ||||
State: D
Energy (cm-1) |
Med. | Transition | λmin (nm) |
λmax (nm) |
References | ||
---|---|---|---|---|---|---|---|
To = 19300 ± 35 | gas | Doucet, Sauvageau, et al., 1973 | |||||
Jochims, Lohr, et al., 1976 | |||||||
Bunzli, Frost, et al., 1976 | |||||||
Jadrny, Karlsson, et al., 1977 | |||||||
Pradeep and Shirley, 1993 | |||||||
Vib. sym. |
No. | Approximate type of mode |
cm-1 | Med. | Method | References | |
---|---|---|---|---|---|---|---|
a1 | 3 | CF2 scissors | 374 ± 5 | gas | PE | Doucet, Sauvageau, et al., 1973 Bunzli, Frost, et al., 1976 Jadrny, Karlsson, et al., 1977 Pradeep and Shirley, 1993 | |
State: ?
Energy (cm-1) |
Med. | Transition | λmin (nm) |
λmax (nm) |
References | ||
---|---|---|---|---|---|---|---|
gas | D-X? | 200 | 400 | Jabbour and Becker, 1989 | |||
State: C
Energy (cm-1) |
Med. | Transition | λmin (nm) |
λmax (nm) |
References | ||
---|---|---|---|---|---|---|---|
Tx = 13880 ± 160 | gas | Doucet, Sauvageau, et al., 1973 | |||||
Jochims, Lohr, et al., 1976 | |||||||
Bunzli, Frost, et al., 1976 | |||||||
Jadrny, Karlsson, et al., 1977 | |||||||
State: B
Energy (cm-1) |
Med. | Transition | λmin (nm) |
λmax (nm) |
References | ||
---|---|---|---|---|---|---|---|
To = 10844 ± 35 | gas | Doucet, Sauvageau, et al., 1973 | |||||
Jochims, Lohr, et al., 1976 | |||||||
Bunzli, Frost, et al., 1976 | |||||||
Jadrny, Karlsson, et al., 1977 | |||||||
Pradeep and Shirley, 1993 | |||||||
Vib. sym. |
No. | Approximate type of mode |
cm-1 | Med. | Method | References | |
---|---|---|---|---|---|---|---|
a1 | 1 | CF2 stretch | 1097 ± 80 | gas | PE | Bunzli, Frost, et al., 1976 Jadrny, Karlsson, et al., 1977 | |
2 | CCl2 stretch | 565 ± 80 | gas | PE | Jadrny, Karlsson, et al., 1977 | ||
4 | CCl2 scissors | 301 ± 5 | gas | PE | Jadrny, Karlsson, et al., 1977 Pradeep and Shirley, 1993 | ||
State: A
Energy (cm-1) |
Med. | Transition | λmin (nm) |
λmax (nm) |
References | ||
---|---|---|---|---|---|---|---|
Tx = 6370 ± 160 | gas | Doucet, Sauvageau, et al., 1973 | |||||
Jochims, Lohr, et al., 1976 | |||||||
Bunzli, Frost, et al., 1976 | |||||||
Jadrny, Karlsson, et al., 1977 | |||||||
Vib. sym. |
No. | Approximate type of mode |
cm-1 | Med. | Method | References | |
---|---|---|---|---|---|---|---|
a1 | 1 | CF2 stretch | 1056 ± 5 | gas | PE | Pradeep and Shirley, 1993 | |
State: X
Vib. sym. |
No. | Approximate type of mode |
cm-1 | Med. | Method | References | |
---|---|---|---|---|---|---|---|
a1 | 3 | CF2 scissors | 609 | w m | Ar | IR | Prochaska and Andrews, 1978 |
4 | CCl2 scissors | 457 ± 5 | gas | PE | Pradeep and Shirley, 1993 | ||
CF2 a-stretch | 1234 | vs | Ar | IR | Prochaska and Andrews, 1978 | ||
CCl2 a-stretch | 1067 | m | Ar | IR | Prochaska and Andrews, 1978 | ||
FCCl deform. | 424 | m | Ar | IR | Prochaska and Andrews, 1978 | ||
FCCl deform. | 406 | m | Ar | IR | Prochaska and Andrews, 1978 | ||
Additional references: Jacox, 1994, page 292; Jacox, 1998, page 304
Notes
w | Weak |
m | Medium |
vs | Very strong |
L | Lower bound |
T | Tentative assignment or approximate value |
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. |
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.
Jochims, Lohr, et al., 1976
Jochims, H.-W.; Lohr, W.; Baumgartel, H.,
Photoreactions of small organic molecules V. Absorption-, photoion- and resonancephotoelectron-spectra of CF3Cl, CF2Cl2, CFCl3 in the energy range 10-25 eV,
Ber. Bunsen-Ges. Phys. Chem., 1976, 80, 130. [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]
Jadrny, Karlsson, et al., 1977
Jadrny, R.; Karlsson, L.; Mattsson, L.; Siegbahn, K.,
Valence electron spectra of the chlorofluoromethanes CF3Cl, CF2Cl2 and CFCl3,
Phys. Scr., 1977, 16, 235. [all data]
Doucet, Sauvageau, et al., 1973
Doucet, J.; Sauvageau, P.; Sandorfy, C.,
Vacuum ultraviolet and photoelectron spectra of fluoro-chloro derivatives of methane,
J. Chem. Phys., 1973, 58, 3708. [all data]
Andrews and Prochaska, 1979
Andrews, L.; Prochaska, F.T.,
Absorption spectra and photochemistry of the chlorofluoro- and bromofluoromethane cations in solid argon,
J. Phys. Chem., 1979, 83, 3, 368, https://doi.org/10.1021/j100466a015
. [all data]
Pradeep and Shirley, 1993
Pradeep, T.; Shirley, D.A.,
High resolution photoelectron spectroscopy of CH2F2, CH2Cl2 and CF2Cl2 using supersonic molecular beams,
J. Electron Spectrosc. Relat. Phenom., 1993, 66, 1-2, 125, https://doi.org/10.1016/0368-2048(93)01831-X
. [all data]
Jabbour and Becker, 1989
Jabbour, Z.J.; Becker, K.,
Analysis of optical emissions produced by dissociative electron impact on CCl2F2,
J. Chem. Phys., 1989, 90, 9, 4819, https://doi.org/10.1063/1.456575
. [all data]
Prochaska and Andrews, 1978
Prochaska, F.T.; Andrews, L.,
Matrix radiolysis and photoionization of CF2Cl2 and CF3Cl. Infrared spectra of CF2Cl+ and the parent cations,
J. Chem. Phys., 1978, 68, 12, 5577, https://doi.org/10.1063/1.435687
. [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, 1998
Jacox, M.E.,
Vibrational and electronic energy levels of polyatomic transient molecules: supplement A,
J. Phys. Chem. Ref. Data, 1998, 27, 2, 115-393, https://doi.org/10.1063/1.556017
. [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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