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CF4+


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   «lambda»min 
 (nm) 
 «lambda»max 
 (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   «lambda»min 
 (nm) 
 «lambda»max 
 (nm) 
 References

Tx = 62500 gas D-A Aarts, Mason, et al., 1987

State:   ?


 Energy 
 (cm-1
 Med.   Transition   «lambda»min 
 (nm) 
 «lambda»max 
 (nm) 
 References

Tx = 52900 gas D-B Aarts, Mason, et al., 1987

State:   ?


 Energy 
 (cm-1
 Med.   Transition   «lambda»min 
 (nm) 
 «lambda»max 
 (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   «lambda»min 
 (nm) 
 «lambda»max 
 (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   «lambda»min 
 (nm) 
 «lambda»max 
 (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   «lambda»min 
 (nm) 
 «lambda»max 
 (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   «lambda»min 
 (nm) 
 «lambda»max 
 (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

oEnergy separation between the v = 0 levels of the excited and electronic ground states.
xEnergy separation between the band maximum of the excited electronic state and the v = 0 level of the ground state.
dPhotodissociation 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