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CH4Si


Reaction thermochemistry data

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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: John E. Bartmess

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Individual Reactions

CH3Si- + Hydrogen cation = CH4Si

By formula: CH3Si- + H+ = CH4Si

Quantity Value Units Method Reference Comment
Deltar1524. ± 21.kJ/molD-EABengali and Leopold, 1992gas phase
Quantity Value Units Method Reference Comment
Deltar1490. ± 21.kJ/molH-TSBengali and Leopold, 1992gas phase

Vibrational and/or electronic energy levels

Go To: Top, Reaction thermochemistry data, 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:   ?


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

Txd = 38800 Ar Maier, Mihm, et al., 1981
Reisenauer, Mihm, et al., 1982
Maier, Mihm, et al., 1984
Maier, Mihm, et al., 1984, 2

State:   ?


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

Txd = 38800 N2 Maier, Mihm, et al., 1981
Reisenauer, Mihm, et al., 1982
Maier, Mihm, et al., 1984
Maier, Mihm, et al., 1984, 2

State:   X


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

a1 SiH s-stretch 2219 m Ar IR Maier, Mihm, et al., 1981
Reisenauer, Mihm, et al., 1982
Maier, Mihm, et al., 1984
SiH s-stretch 2214 m N2 IR Reisenauer, Mihm, et al., 1982
Maier, Mihm, et al., 1984, 2
CH2 scissors 1350 w Ar IR Reisenauer, Mihm, et al., 1982
Maier, Mihm, et al., 1984
CH2 scissors 1350 w N2 IR Reisenauer, Mihm, et al., 1982
Maier, Mihm, et al., 1984, 2
Si=C stretch 985 w Ar IR Maier, Mihm, et al., 1981
Reisenauer, Mihm, et al., 1982
Maier, Mihm, et al., 1984
Si=C stretch 985 w N2 IR Maier, Mihm, et al., 1981
Reisenauer, Mihm, et al., 1982
Maier, Mihm, et al., 1984, 2
SiH2 scissors 927 w Ar IR Maier, Mihm, et al., 1981
Reisenauer, Mihm, et al., 1982
Maier, Mihm, et al., 1984
SiH2 scissors 927 w N2 IR Reisenauer, Mihm, et al., 1982
Maier, Mihm, et al., 1984, 2
b1 CH2 wag 741 s Ar IR Maier, Mihm, et al., 1981
Reisenauer, Mihm, et al., 1982
Maier, Mihm, et al., 1984
CH2 wag 747 s N2 IR Reisenauer, Mihm, et al., 1982
Maier, Mihm, et al., 1984, 2
b2 SiH a-stretch 2239 m Ar IR Maier, Mihm, et al., 1981
Reisenauer, Mihm, et al., 1982
Maier, Mihm, et al., 1984
SiH a-stretch 2235 m N2 IR Reisenauer, Mihm, et al., 1982
Maier, Mihm, et al., 1984, 2
CH2 rock 817 s Ar IR Maier, Mihm, et al., 1981
Reisenauer, Mihm, et al., 1982
Maier, Mihm, et al., 1984
CH2 rock 817 s N2 IR Reisenauer, Mihm, et al., 1982
Maier, Mihm, et al., 1984, 2

Additional references: Jacox, 1994, page 309; Jacox, 1998, page 310; Jacox, 2003, page 311; Bailleux, Bogey, et al., 1997; Khabashesku, Kudin, et al., 1998

Notes

wWeak
mMedium
sStrong
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, Reaction thermochemistry data, 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.

Bengali and Leopold, 1992
Bengali, A.A.; Leopold, D.G., Negative Ion Photoelectron Spectroscopy of CH2=SiH and CH3Si, J. Am. Chem. Soc., 1992, 114, 23, 9192, https://doi.org/10.1021/ja00049a064 . [all data]

Maier, Mihm, et al., 1981
Maier, G.; Mihm, G.; Reisenauer, H.P., Silaethen, Angew. Chem., 1981, 93, 6-7, 615, https://doi.org/10.1002/ange.19810930637 . [all data]

Reisenauer, Mihm, et al., 1982
Reisenauer, H.P.; Mihm, G.; Maier, G., Reversible Photoisomerisierung zwischen Silaethenen und Methylsilylenen (Methylsilandiylen), Angew. Chem., 1982, 94, 11, 864, https://doi.org/10.1002/ange.19820941110 . [all data]

Maier, Mihm, et al., 1984
Maier, G.; Mihm, G.; Reisenauer, H.P., Hetero-«pi»-Systeme, 8. Silaethen, Chem. Ber., 1984, 117, 7, 2351, https://doi.org/10.1002/cber.19841170708 . [all data]

Maier, Mihm, et al., 1984, 2
Maier, G.; Mihm, G.; Reisenauer, H.P.; Littmann, D., Hetero-«pi»-Systeme, 9. Über die Beziehungen zwischen Silaethenen und Methylsilylenen, Chem. Ber., 1984, 117, 7, 2369, https://doi.org/10.1002/cber.19841170709 . [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]

Bailleux, Bogey, et al., 1997
Bailleux, S.; Bogey, M.; Demaison, J.; Burger, H.; Senzlober, M.; Breidung, J.; Thiel, W.; Fajgar, R.; Pola, J., The equilibrium structure of silene H[sub 2]C[Double Bond]SiH[sub 2] from millimeter wave spectra and from ab initio calculations, J. Chem. Phys., 1997, 106, 24, 10016, https://doi.org/10.1063/1.473642 . [all data]

Khabashesku, Kudin, et al., 1998
Khabashesku, V.N.; Kudin, K.N.; Margrave, J.L., Vibrational analysis of infrared spectra of matrix-isolated transient silenes on basis of density functional theory calculations, J. Mol. Struct., 1998, 443, 1-3, 175, https://doi.org/10.1016/S0022-2860(97)00398-0 . [all data]


Notes

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