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Silyl radical


Vibrational and/or electronic energy levels

Go To: Top, References, Notes

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:   M


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

To = 60341 gas M-X Johnson III, Tsai, et al., 1989


Vib. 
sym. 
 No.   Approximate 
 type of mode 
 cm-1   Med.   Method   References

a2 2 OPLA 800 ± 30 gas MPI Johnson III, Tsai, et al., 1989

State:   L


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

To = 59615 ± 30 gas L-X Johnson and Hudgens, 1991


Vib. 
sym. 
 No.   Approximate 
 type of mode 
 cm-1   Med.   Method   References

a2 2 OPLA 839 ± 26 gas MPI Johnson and Hudgens, 1991

State:   J'


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

To = 57726 ± 30 gas J'-X Johnson and Hudgens, 1991


Vib. 
sym. 
 No.   Approximate 
 type of mode 
 cm-1   Med.   Method   References

a2 2 OPLA 835 ± 26 gas MPI Johnson and Hudgens, 1991

State:   J


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

To = 56929 gas J-X Johnson III, Tsai, et al., 1989


Vib. 
sym. 
 No.   Approximate 
 type of mode 
 cm-1   Med.   Method   References

a2 2 OPLA 821 ± 4 gas MPI Johnson III, Tsai, et al., 1989

State:   I'


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

To = 56253 ± 30 gas I'-X Johnson and Hudgens, 1991


Vib. 
sym. 
 No.   Approximate 
 type of mode 
 cm-1   Med.   Method   References

a2 2 OPLA 814 ± 25 gas MPI Johnson and Hudgens, 1991

State:   E


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

To = 48438 gas E-X Johnson and Hudgens, 1987
Johnson III, Tsai, et al., 1989


Vib. 
sym. 
 No.   Approximate 
 type of mode 
 cm-1   Med.   Method   References

a2 2 OPLA 796 ± 7 gas MPI Johnson and Hudgens, 1987
Johnson III, Tsai, et al., 1989
e' 4 Deformation 870 ± 5 H gas MPI Johnson III, Tsai, et al., 1989

State:   D


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

To = 49787 ± 30 gas D-X Johnson and Hudgens, 1991


Vib. 
sym. 
 No.   Approximate 
 type of mode 
 cm-1   Med.   Method   References

a2 2 OPLA 810 ± 31 gas MPI Johnson and Hudgens, 1991

State:   A


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

gas A-X 205 256 Lightfoot, Becerra, et al., 1991
Baklanov and Krasnoperov, 2001

State:   X


Vib. 
sym. 
 No.   Approximate 
 type of mode 
 cm-1   Med.   Method   References

a1 2 Umbrella 727.94 I gas DL MPI Yamada and Hirota, 1986
Itabashi, Kato, et al., 1988
Johnson III, Tsai, et al., 1989
2 Umbrella 721.05 I gas DL MPI Yamada and Hirota, 1986
Itabashi, Kato, et al., 1988
Johnson III, Tsai, et al., 1989
2 Umbrella 735.4 Ne IR Andrews and Wang, 2002
2 Umbrella 727.3 Ne IR Andrews and Wang, 2002
2 Umbrella 727.2 Ar IR Li, Graham, et al., 2001
Andrews and Wang, 2002
2 Umbrella 732.4 Kr IR Legay-Sommaire and Legay, 1998
2 Umbrella 730.0 Kr IR Legay-Sommaire and Legay, 1998
2 Umbrella 722.9 H2 IR Wang and Andrews, 2003
e 3 SiH3 stretch 2185.2 gas DL Sumiyoshi, Tanaka, et al., 1994
4 Deformation 928.6 Ne IR Andrews and Wang, 2002
4 Deformation 925.0 Ar IR Andrews and Wang, 2002
4 Deformation 929 Kr IR Legay-Sommaire and Legay, 1998
4 Deformation 925.3 H2 IR Wang and Andrews, 2003

Additional references: Jacox, 1994, page 126; Jacox, 1998, page 215; Jacox, 2003, page 158; Morehouse, Christiansen, et al., 1966; Jackel and Gordy, 1968; Nimlos and Ellison, 1986

Notes

H(1/2)(2nu)
IComponent of an inversion doublet
oEnergy separation between the v = 0 levels of the excited and electronic ground states.

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.

Johnson III, Tsai, et al., 1989
Johnson III, R.D.; Tsai, B.P.; Hudgens, J.W., Multiphoton ionization of SiH3 and SID3 radicals: Electronic spectra, vibrational analyses of the ground and Rydberg states, and ionization potentials, J. Chem. Phys., 1989, 91, 3340. [all data]

Johnson and Hudgens, 1991
Johnson, R.D., III; Hudgens, J.W., Multiphoton ionization of SiH3 and SiD3 radicals. II. Three-photon resonance-enhanced spectra observed between 450 and 610 nm, J. Chem. Phys., 1991, 94, 8, 5331, https://doi.org/10.1063/1.460518 . [all data]

Johnson and Hudgens, 1987
Johnson, R.D., III; Hudgens, J.W., A new eletronic spectrum of the SiH3 radical observed using multiphoton ionization spectroscopy, Chem. Phys. Lett., 1987, 141, 3, 163, https://doi.org/10.1016/0009-2614(87)85002-9 . [all data]

Lightfoot, Becerra, et al., 1991
Lightfoot, P.D.; Becerra, R.; Jemi-Alade, A.A.; Lesclaux, R., The UV absorption spectrum of SiH3, Chem. Phys. Lett., 1991, 180, 5, 441, https://doi.org/10.1016/0009-2614(91)85146-N . [all data]

Baklanov and Krasnoperov, 2001
Baklanov, A.V.; Krasnoperov, L.N., UV Absorption Spectrum and Rate Constant for Self-Reaction of Silyl Radicals, J. Phys. Chem. A, 2001, 105, 20, 4917, https://doi.org/10.1021/jp004198l . [all data]

Yamada and Hirota, 1986
Yamada, C.; Hirota, E., Detection of the Silyl Radical SiH_{3} by Infrared Diode-Laser Spectroscopy, Phys. Rev. Lett., 1986, 56, 9, 923, https://doi.org/10.1103/PhysRevLett.56.923 . [all data]

Itabashi, Kato, et al., 1988
Itabashi, N.; Kato, K.; Nishiwaki, N.; Goto, T.; Yamada, C.; Hirota, E., Measurement of the SiH, Jap. J. Appl. Phys., 1988, 27, Part 2, No. 8, L1565, https://doi.org/10.1143/JJAP.27.L1565 . [all data]

Andrews and Wang, 2002
Andrews, L.; Wang, X., Infrared Spectra of the Novel Si, J. Phys. Chem. A, 2002, 106, 34, 7696, https://doi.org/10.1021/jp0204814 . [all data]

Li, Graham, et al., 2001
Li, L.; Graham, J.T.; Weltner, W., Jr., Infrared Spectra of Silane in Solid Argon and Hydrogen, J. Phys. Chem. A, 2001, 105, 49, 11018, https://doi.org/10.1021/jp013003m . [all data]

Legay-Sommaire and Legay, 1998
Legay-Sommaire, N.; Legay, F., Photochemical Insertion Reaction of Hg in SiH, J. Phys. Chem. A, 1998, 102, 45, 8759, https://doi.org/10.1021/jp9821533 . [all data]

Wang and Andrews, 2003
Wang, X.; Andrews, L., Infrared Spectra of Group 14 Hydrides in Solid Hydrogen: Experimental Observation of PbH, J. Am. Chem. Soc., 2003, 125, 21, 6581, https://doi.org/10.1021/ja029862l . [all data]

Sumiyoshi, Tanaka, et al., 1994
Sumiyoshi, Y.; Tanaka, K.; Tanaka, T., Diode laser spectroscopy of SiH3 in the 4.5 «mu»m region, Appl. Surf. Sci., 1994, 79/80, 471, https://doi.org/10.1016/0169-4332(94)90457-X . [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]

Morehouse, Christiansen, et al., 1966
Morehouse, R.L.; Christiansen, J.J.; Gordy, W., ESR of Free Radicals Trapped in Inert Matrices at Low Temperature: CH3, SiH3, GeH3, and SnH3, J. Chem. Phys., 1966, 45, 5, 1751, https://doi.org/10.1063/1.1727825 . [all data]

Jackel and Gordy, 1968
Jackel, G.S.; Gordy, W., Electron Spin Resonance of Free Radicals Formed from Group-IV and Group-V Hydrides in Inert Matrices at Low Temperature, Phys. Rev., 1968, 176, 2, 443, https://doi.org/10.1103/PhysRev.176.443 . [all data]

Nimlos and Ellison, 1986
Nimlos, M.R.; Ellison, G.B., Photoelectron spectroscopy of SiH3- and SiD3-, J. Am. Chem. Soc., 1986, 108, 6522. [all data]


Notes

Go To: Top, Vibrational and/or electronic energy levels, References