SiCl4+

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 = 48900 ± 400 gas Green, Green, et al., 1970
Bassett and Lloyd, 1971
Smith, Tuckett, et al., 1993
Smith, Tuckett, et al., 1994
Cooper, Shpinkova, et al., 2001
Vib. 
sym. 		  No.   Approximate 
 type of mode 		  cm-1   Med.   Method   References
a1 1 SiCl stretch 379 ± 16 gas TPE Smith, Tuckett, et al., 1994
1 SiCl stretch 339 ± 12 gas TPE Cooper, Shpinkova, et al., 2001

State:   C
 Energy 
 (cm-1) 		  Med.   Transition   λmin 
 (nm) 		  λmax 
 (nm) 		  References
To = 26620 ± 160 gas Green, Green, et al., 1970
Bassett and Lloyd, 1971
Smith, Tuckett, et al., 1994
Cooper, Shpinkova, et al., 2001
Tx = 24400 gas C-X Lambert, Mason, et al., 1988
Lambert, Mason, et al., 1988, 2
Ibuki, Kono, et al., 1997
Tx = 21000 Ar Miller and Andrews, 1981

State:   ?
 Energy 
 (cm-1) 		  Med.   Transition   λmin 
 (nm) 		  λmax 
 (nm) 		  References
Txt = 17500 gas C-A Lambert, Mason, et al., 1988
Lambert, Mason, et al., 1988, 2
Ibuki, Kono, et al., 1997

State:   B
 Energy 
 (cm-1) 		  Med.   Transition   λmin 
 (nm) 		  λmax 
 (nm) 		  References
Tx = 13880 ± 400 gas Green, Green, et al., 1970
Bassett and Lloyd, 1971
Cooper, Shpinkova, et al., 2001

State:   A
 Energy 
 (cm-1) 		  Med.   Transition   λmin 
 (nm) 		  λmax 
 (nm) 		  References
To = 7750 ± 160 gas Green, Green, et al., 1970
Bassett and Lloyd, 1971
Cooper, Shpinkova, et al., 2001

State:   X

Vib. 
sym. 		  No.   Approximate 
 type of mode 		  cm-1   Med.   Method   References
SiCl2 a-stretch 717 T Ar IR Miller and Andrews, 1981

Additional references: Jacox, 1994, page 296; Jacox, 1998, page 306; Jacox, 2003, page 305; Egdell, Fragala, et al., 1979; Biehl, Boyle, et al., 1998

Notes

TTentative assignment or approximate value
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.
tEnergy separation between the v = 0 levels of the two excited states involed in the transition.

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.

Green, Green, et al., 1970
Green, J.C.; Green, M.L.; Joachim, P.J.; Orchard, A.F.; Turner, D.W., A Study of the Bonding in the Group IV Tetrahalides by Photoelectron Spectroscopy, Phil. Trans. Roy. Soc. (London) A268, 1970, 268, 1184, 111, https://doi.org/10.1098/rsta.1970.0065 . [all data]

Bassett and Lloyd, 1971
Bassett, P.J.; Lloyd, D.R., J. Chem. Soc. A, 1971, 641. [all data]

Smith, Tuckett, et al., 1993
Smith, D.M.; Tuckett, R.P.; Yoxall, K.R.; Codling, K.; Hatherly, P.A., Fragmentation of the C 2T2 and D 2A1 states of CCl+4 and SiCl+4 studied by threshold photoelectron---photoion coincidence spectroscopy, Chem. Phys. Lett., 1993, 216, 3-6, 493, https://doi.org/10.1016/0009-2614(93)90133-L . [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]

Cooper, Shpinkova, et al., 2001
Cooper, L.; Shpinkova, L.G.; Holland, D.M.P.; Shaw, D.A., A study of the threshold photoelectron spectra and the photoionisation yield curves of the silicon tetrahalides, Chem. Phys., 2001, 270, 2, 363, https://doi.org/10.1016/S0301-0104(01)00391-3 . [all data]

Lambert, Mason, et al., 1988
Lambert, I.R.; Mason, S.M.; Tuckett, R.P.; Hopkirk, A., Electronic emission spectroscopy of Group IV tetrachloro molecular ions, J. Chem. Phys., 1988, 89, 5, 2675, https://doi.org/10.1063/1.455018 . [all data]

Lambert, Mason, et al., 1988, 2
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]

Ibuki, Kono, et al., 1997
Ibuki, T.; Kono, M.; Asari, Y.; Hiraya, A.; Shobatake, K., Photoabsorption and fluorescence cross sections of SiCl[sub 4] in the region of 6.2--31 eV, J. Chem. Phys., 1997, 106, 12, 4853, https://doi.org/10.1063/1.473534 . [all data]

Miller and Andrews, 1981
Miller, J.H.; Andrews, L., Matrix spectroscopy of the argon resonance photolysis products of group IV chlorides, J. Mol. Struct., 1981, 77, 1-2, 65, https://doi.org/10.1016/0022-2860(81)85267-2 . [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]

Egdell, Fragala, et al., 1979
Egdell, R.G.; Fragala, I.L.; Orchard, A.F., He(II) photoelectron spectra of the Group IVB tetrachlorides, J. Electron Spectrosc. Relat. Phenom., 1979, 17, 4, 267, https://doi.org/10.1016/0368-2048(79)80017-1 . [all data]

Biehl, Boyle, et al., 1998
Biehl, H.; Boyle, K.I.; Seccombe, D.P.; Smith, D.M.; Tuckett, R.P.; Baumgartel, H.; Jochims, H.W., Vacuum--UV fluorescence spectroscopy of CCl4, SiCl4 and GeCl4 in the range 9--25eV, J. Electron Spectrosc. Relat. Phenom., 1998, 97, 1-2, 89, https://doi.org/10.1016/S0368-2048(98)00261-8 . [all data]

Notes

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