CF4+
- Formula: CF4+
- Molecular weight: 88.0038
- CAS Registry Number: 39819-67-5
- Information on this page:
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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: D
| Energy (cm-1) |
Med. | Transition | λmin (nm) |
λmax (nm) |
References | ||
|---|---|---|---|---|---|---|---|
| To = 78830 ± 160 | gas | Potts, Lempka, et al., 1970 | |||||
| Brundle, Robin, et al., 1970 | |||||||
| Lloyd and Roberts, 1975 | |||||||
| Smith, Tuckett, et al., 1994 | |||||||
| Vib. sym. |
No. | Approximate type of mode |
cm-1 | Med. | Method | References | |
|---|---|---|---|---|---|---|---|
| a1 | 1 | CF stretch | 800 ± 1 | gas | PE EF | Brundle, Robin, et al., 1970 Lloyd and Roberts, 1975 Aarts, Mason, et al., 1987 | |
State: ?
| Energy (cm-1) |
Med. | Transition | λmin (nm) |
λmax (nm) |
References | ||
|---|---|---|---|---|---|---|---|
| Tx = 62500 | gas | D-A | Aarts, Mason, et al., 1987 | ||||
State: ?
| Energy (cm-1) |
Med. | Transition | λmin (nm) |
λmax (nm) |
References | ||
|---|---|---|---|---|---|---|---|
| Tx = 52900 | gas | D-B | Aarts, Mason, et al., 1987 | ||||
State: ?
| Energy (cm-1) |
Med. | Transition | λmin (nm) |
λmax (nm) |
References | ||
|---|---|---|---|---|---|---|---|
| To = 27662.2 | gas | D-C | 350 | 420 | Aarts, Mason, et al., 1987 | ||
| Aarts and Callomon, 1994 | |||||||
State: C
| Energy (cm-1) |
Med. | Transition | λmin (nm) |
λmax (nm) |
References | ||
|---|---|---|---|---|---|---|---|
| To = 51230 ± 160 | gas | Potts, Lempka, et al., 1970 | |||||
| Brundle, Robin, et al., 1970 | |||||||
| Lloyd and Roberts, 1975 | |||||||
| Smith, Tuckett, et al., 1994 | |||||||
| Vib. sym. |
No. | Approximate type of mode |
cm-1 | Med. | Method | References | |
|---|---|---|---|---|---|---|---|
| a1 | 1 | CF stretch | 727.4 | gas | PE EM | Potts, Lempka, et al., 1970 Brundle, Robin, et al., 1970 Lloyd and Roberts, 1975 Aarts, Mason, et al., 1987 Aarts and Callomon, 1994 | |
State: ?
| Energy (cm-1) |
Med. | Transition | λmin (nm) |
λmax (nm) |
References | ||
|---|---|---|---|---|---|---|---|
| Tx = 34500 | gas | C-A | Aarts, Mason, et al., 1987 | ||||
| Lee, Han, et al., 1990 | |||||||
| Biehl, Boyle, et al., 1997 | |||||||
State: B
| Energy (cm-1) |
Med. | Transition | λmin (nm) |
λmax (nm) |
References | ||
|---|---|---|---|---|---|---|---|
| Td = 23800 ± 1000 | gas | Potts, Lempka, et al., 1970 | |||||
| Brundle, Robin, et al., 1970 | |||||||
| Jonas, Schweitzer, et al., 1972 | |||||||
| Lloyd and Roberts, 1975 | |||||||
| Creasey, Jones, et al., 1993 | |||||||
| Vib. sym. |
No. | Approximate type of mode |
cm-1 | Med. | Method | References | |
|---|---|---|---|---|---|---|---|
| a1 | 1 | CF stretch | 810 ± 80 | gas | PE | Brundle, Robin, et al., 1970 Jonas, Schweitzer, et al., 1972 Lloyd and Roberts, 1975 | |
| e | Deformation | 500 ± 100 | gas | PE | Brundle, Robin, et al., 1970 Jonas, Schweitzer, et al., 1972 Lloyd and Roberts, 1975 | ||
State: A
| Energy (cm-1) |
Med. | Transition | λmin (nm) |
λmax (nm) |
References | ||
|---|---|---|---|---|---|---|---|
| Td = 14100 ± 1000 | gas | Potts, Lempka, et al., 1970 | |||||
| Brundle, Robin, et al., 1970 | |||||||
| Jonas, Schweitzer, et al., 1972 | |||||||
| Lloyd and Roberts, 1975 | |||||||
| Creasey, Jones, et al., 1993 | |||||||
Additional references: Jacox, 1994, page 290; Jacox, 1998, page 303; Jacox, 2003, page 303; Hesser and Dressler, 1967; Mason and Tuckett, 1987; Dixon and Tuckett, 1987; Lambert, Mason, et al., 1988; Creasey, Hatherly, et al., 1992; Hatherly, Codling, et al., 1993
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. |
| 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.
Potts, Lempka, et al., 1970
Potts, A.W.; Lempka, H.J.; Streets, D.G.; Price, W.C.,
Photoelectron spectra of the halides of elements in groups III, IV, V and VI,
Phil. Trans. Roy. Soc. (London), 1970, A268, 59. [all data]
Brundle, Robin, et al., 1970
Brundle, C.R.; Robin, M.B.; Basch, H.,
Electronic energies and electronic structures of the fluoromethanes,
J. Chem. Phys., 1970, 53, 2196. [all data]
Lloyd and Roberts, 1975
Lloyd, D.R.; Roberts, P.J.,
Photoelectron spectra of halides. VII. Variable temperature He(I) and He(II) studies of CF4, SiF4, and GeF4,
J. Electron Spectrosc. Relat. Phenom., 1975, 7, 325. [all data]
Smith, Tuckett, et al., 1994
Smith, D.M.; Tuckett, R.P.; Yoxall, K.R.; Codling, K.; Hatherly, P.A.; Aarts, J.F.M.; Stankiewicz, M.,
Use of threshold electron and fluorescence coincidence techniques to probe the decay dynamics of the valence states of CF+4, SiF+4, SiCl+4, and GeCl+4,
J. Chem. Phys., 1994, 101, 12, 10559, https://doi.org/10.1063/1.467873
. [all data]
Aarts, Mason, et al., 1987
Aarts, J.F.M.; Mason, S.M.; Tuckett, R.P.,
The,
Mol. Phys., 1987, 60, 4, 761, https://doi.org/10.1080/00268978700100521
. [all data]
Aarts and Callomon, 1994
Aarts, J.F.M.; Callomon, J.H.,
Analysis of [Dtilde],
Mol. Phys., 1994, 81, 6, 1383, https://doi.org/10.1080/00268979400100941
. [all data]
Lee, Han, et al., 1990
Lee, L.C.; Han, J.C.; Ye, C.; Suto, M.,
Fluorescence from photoexcitation of CF3X (X=H, Cl, and Br) at 50--106 nm,
J. Chem. Phys., 1990, 92, 1, 133, https://doi.org/10.1063/1.458482
. [all data]
Biehl, Boyle, et al., 1997
Biehl, H.; Boyle, K.J.; Tuckett, R.P.; Baumgartel, H.; Jochims, H.W.,
Vacuum-UV fluorescence spectroscopy of CF3X(X=F,H,Cl,Br) in the range 10--30 eV,
Chem. Phys., 1997, 214, 2-3, 367, https://doi.org/10.1016/S0301-0104(96)00326-6
. [all data]
Jonas, Schweitzer, et al., 1972
Jonas, A.E.; Schweitzer, G.K.; Grimm, F.A.; Carlson, T.A.,
The photoelectron spectra of the tetrafluoro and tetramethyl compounds of the group IV elements,
J. Electron Spectrosc. Relat. Phenom., 1972, 1, 1, 29, https://doi.org/10.1016/0368-2048(72)85004-7
. [all data]
Creasey, Jones, et al., 1993
Creasey, J.C.; Jones, H.M.; Smith, D.M.; Tuckett, R.P.; Hatherly, P.A.; Codling, K.; Powis, I.,
Fragmentation of valence electronic states of CF+4 and SF+6 studied by threshold photoelectron-photoion coincidence spectroscopy,
Chem. Phys., 1993, 174, 3, 441, https://doi.org/10.1016/0301-0104(93)80010-7
. [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]
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]
Hesser and Dressler, 1967
Hesser, J.E.; Dressler, K.,
Radiative Lifetimes of Ultraviolet Emission Systems Excited in BF3, CF4, and SiF4,
J. Chem. Phys., 1967, 47, 9, 3443, https://doi.org/10.1063/1.1712410
. [all data]
Mason and Tuckett, 1987
Mason, S.M.; Tuckett, R.P.,
Computer simulation of the rotational structure of vibronic bands of CF,
Mol. Phys., 1987, 62, 1, 175, https://doi.org/10.1080/00268978700102131
. [all data]
Dixon and Tuckett, 1987
Dixon, R.N.; Tuckett, R.P.,
The sign of the spin-orbit coupling constant in (t2)5 2t2 states of mx4+ ions,
Chem. Phys. Lett., 1987, 140, 6, 553, https://doi.org/10.1016/0009-2614(87)80485-2
. [all data]
Lambert, Mason, et al., 1988
Lambert, I.R.; Mason, S.M.; Tuckett, R.P.; Hopkirk, A.,
Decay pathways of excited electronic states of Group IV tetrafluoro and tetrachloro molecular ions studied with synchrotron radiation,
J. Chem. Phys., 1988, 89, 5, 2683, https://doi.org/10.1063/1.455019
. [all data]
Creasey, Hatherly, et al., 1992
Creasey, J.C.; Hatherly, P.A.; Lambert, I.R.; Tuckett, R.P.,
Vacuum UV fluorescence excitation spectroscopy of CF4 and CF3Br in the range 45--140 nm,
Chem. Phys. Lett., 1992, 188, 3-4, 223, https://doi.org/10.1016/0009-2614(92)90013-D
. [all data]
Hatherly, Codling, et al., 1993
Hatherly, P.A.; Codling, K.; Smith, D.M.; Tuckett, R.P.; Yoxall, K.R.; Aarts, J.F.M.,
Radiative decay of the 2T2 state of CF+4 measured by threshold photoelectron-fluorescence coicidence spectroscopy,
Chem. Phys., 1993, 174, 3, 453, https://doi.org/10.1016/0301-0104(93)80011-W
. [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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