HCF3+
- Formula: CHF3+
- Molecular weight: 70.0133
- CAS Registry Number: 66177-08-0
- 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: F
Energy (cm-1) |
Med. | Transition | λmin (nm) |
λmax (nm) |
References | ||
---|---|---|---|---|---|---|---|
Tx = 85360 ± 400 | gas | Potts, Lempka, et al., 1970 | |||||
Brundle, Robin, et al., 1970 | |||||||
Bieri, Asbrink, et al., 1981 | |||||||
Vib. sym. |
No. | Approximate type of mode |
cm-1 | Med. | Method | References | |
---|---|---|---|---|---|---|---|
a1 | 1 | CH stretch | 2660 ± 80 | gas | PE | Bieri, Asbrink, et al., 1981 | |
3 | CF3 stretch | 1050 ± 80 | gas | PE | Bieri, Asbrink, et al., 1981 | ||
State: D,E
Energy (cm-1) |
Med. | Transition | λmin (nm) |
λmax (nm) |
References | ||
---|---|---|---|---|---|---|---|
Tx = 54400 | T | gas | Potts, Lempka, et al., 1970 | ||||
Pullen, Carlson, et al., 1970 | |||||||
Brundle, Robin, et al., 1970 | |||||||
Bieri, Asbrink, et al., 1981 | |||||||
Lee, Han, et al., 1990 | |||||||
Creasey, Lambert, et al., 1990 | |||||||
Biehl, Boyle, et al., 1997 | |||||||
State: D
Energy (cm-1) |
Med. | Transition | λmin (nm) |
λmax (nm) |
References | ||
---|---|---|---|---|---|---|---|
Tx = 34480 | T | gas | D-B | Biehl, Boyle, et al., 1997 | |||
Tx = 23260 | T | gas | D-C | Biehl, Boyle, et al., 1997 | |||
Vib. sym. |
No. | Approximate type of mode |
cm-1 | Med. | Method | References | |
---|---|---|---|---|---|---|---|
a1 | 480 ± 80 | gas | PE | Potts, Lempka, et al., 1970 | |||
State: C
Energy (cm-1) |
Med. | Transition | λmin (nm) |
λmax (nm) |
References | ||
---|---|---|---|---|---|---|---|
To = 26220 ± 400 | gas | Potts, Lempka, et al., 1970 | |||||
Pullen, Carlson, et al., 1970 | |||||||
Brundle, Robin, et al., 1970 | |||||||
Bieri, Asbrink, et al., 1981 | |||||||
Vib. sym. |
No. | Approximate type of mode |
cm-1 | Med. | Method | References | |
---|---|---|---|---|---|---|---|
a1 | 2 | CF3 stretch | 1050 ± 80 | gas | PE | Potts, Lempka, et al., 1970 Pullen, Carlson, et al., 1970 Brundle, Robin, et al., 1970 Bieri, Asbrink, et al., 1981 | |
3 | CF3 umbrella | 550 ± 80 | gas | PE | Potts, Lempka, et al., 1970 Brundle, Robin, et al., 1970 Bieri, Asbrink, et al., 1981 | ||
State: B
Energy (cm-1) |
Med. | Transition | λmin (nm) |
λmax (nm) |
References | ||
---|---|---|---|---|---|---|---|
Tx = 18800 ± 1000 | gas | Potts, Lempka, et al., 1970 | |||||
Pullen, Carlson, et al., 1970 | |||||||
Brundle, Robin, et al., 1970 | |||||||
Bieri, Asbrink, et al., 1981 | |||||||
State: A
Energy (cm-1) |
Med. | Transition | λmin (nm) |
λmax (nm) |
References | ||
---|---|---|---|---|---|---|---|
Tx = 13200 ± 1000 | gas | Potts, Lempka, et al., 1970 | |||||
Pullen, Carlson, et al., 1970 | |||||||
Brundle, Robin, et al., 1970 | |||||||
Bieri, Asbrink, et al., 1981 | |||||||
Additional references: Jacox, 1994, page 274; Jacox, 2003, page 276; Biehl, Boyle, et al., 1997, 2
Notes
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. |
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]
Bieri, Asbrink, et al., 1981
Bieri, G.; Asbrink, L.; Von Niessen, W.,
30.4 nm He(II) photoelectron spectra of organic molecules. Part IV. Fluoro-compounds (C,H,F),
J. Electron Spectrosc. Relat. Phenom., 1981, 23, 281. [all data]
Pullen, Carlson, et al., 1970
Pullen, B.P.; Carlson, T.A.; Moddeman, W.E.; Schweitzer, G.K.; Bull, W.E.,
Photoelectron spectra of methane, silane, germane, methyl fluoride, difluoromethane, and trifluoromethane,
J. Chem. Phys., 1970, 53, 768. [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]
Creasey, Lambert, et al., 1990
Creasey, J.C.; Lambert, I.R.; Tuckett, R.P.; Hopkirk, A.,
Vacuum UV spectroscopy and dynamics of CHF,
Mol. Phys., 1990, 71, 6, 1355, https://doi.org/10.1080/00268979000102531
. [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]
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]
Biehl, Boyle, et al., 1997, 2
Biehl, H.; Boyle, K.J.; Smith, D.M.; Tuckett, R.P.,
The use of threshold photoelectron - fluorescence photon coincidence spectroscopy for the measurement of the radiative lifetimes of emitting states of CF3X+ (X = F, H, Cl, Br) ions,
Chem. Phys., 1997, 214, 2-3, 357, https://doi.org/10.1016/S0301-0104(96)00325-4
. [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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