CH4Si
- Formula: CH4Si
- Molecular weight: 44.1280
- CAS Registry Number: 51067-84-6
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Reaction thermochemistry data
Go To: Top, Gas phase ion energetics data, Vibrational and/or electronic energy levels, 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: John E. Bartmess
Note: Please consider using the reaction search for this species. This page allows searching of all reactions involving this species. A general reaction search form is also available. Future versions of this site may rely on reaction search pages in place of the enumerated reaction displays seen below.
Individual Reactions
CH3Si- + = CH4Si
By formula: CH3Si- + H+ = CH4Si
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 364.2 ± 5.0 | kcal/mol | D-EA | Bengali and Leopold, 1992 | gas phase |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 356.0 ± 5.1 | kcal/mol | H-TS | Bengali and Leopold, 1992 | gas phase |
Gas phase ion energetics data
Go To: Top, Reaction thermochemistry data, Vibrational and/or electronic energy levels, 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: John E. Bartmess
View reactions leading to CH4Si+ (ion structure unspecified)
De-protonation reactions
CH3Si- + = CH4Si
By formula: CH3Si- + H+ = CH4Si
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 364.2 ± 5.0 | kcal/mol | D-EA | Bengali and Leopold, 1992 | gas phase |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 356.0 ± 5.1 | kcal/mol | H-TS | Bengali and Leopold, 1992 | gas phase |
Vibrational and/or electronic energy levels
Go To: Top, Reaction thermochemistry data, Gas phase ion energetics 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 | λmin (nm) |
λmax (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 | λmin (nm) |
λmax (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
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
w | Weak |
m | Medium |
s | Strong |
x | Energy separation between the band maximum of the excited electronic state and the v = 0 level of the ground state. |
d | Photodissociation threshold |
References
Go To: Top, Reaction thermochemistry data, Gas phase ion energetics 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-π-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-π-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
Go To: Top, Reaction thermochemistry data, Gas phase ion energetics data, Vibrational and/or electronic energy levels, References
- Symbols used in this document:
ΔrG° Free energy of reaction at standard conditions ΔrH° Enthalpy of reaction at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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