CH2=SiH anion
- Formula: CH3Si-
- Molecular weight: 43.1206
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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- + = CH4Si
By formula: CH3Si- + H+ = CH4Si
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 1524. ± 21. | kJ/mol | D-EA | Bengali and Leopold, 1992 | gas phase |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔrG° | 1490. ± 21. | kJ/mol | H-TS | Bengali and Leopold, 1992 | gas phase |
Gas phase ion energetics data
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: John E. Bartmess
Electron affinity of neutral species
| EAneutral (eV) | Method | Reference | Comment |
|---|---|---|---|
| 2.010 ± 0.010 | LPES | Bengali and Leopold, 1992 |
Protonation reactions
CH3Si- + = CH4Si
By formula: CH3Si- + H+ = CH4Si
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 1524. ± 21. | kJ/mol | D-EA | Bengali and Leopold, 1992 | gas phase |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔrG° | 1490. ± 21. | kJ/mol | H-TS | Bengali and Leopold, 1992 | gas phase |
References
Go To: Top, Reaction thermochemistry data, Gas phase ion energetics data, 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]
Notes
Go To: Top, Reaction thermochemistry data, Gas phase ion energetics data, References
- Symbols used in this document:
EAneutral Electron affinity of neutral species 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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