MeSiCH2 anion
- Formula: C2H5Si-
- Molecular weight: 57.1471
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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
C2H5Si- + =
By formula: C2H5Si- + H+ = C2H6Si
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 380.7 ± 5.1 | kcal/mol | G+TS | Damrauer, DePuy, et al., 1986 | gas phase; May have rearranged to 2-sila-allyl anion: G3MP2B3 calculations indicate an acidity of 361 kcal/mol |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔrG° | 374.0 ± 5.0 | kcal/mol | IMRB | Damrauer, DePuy, et al., 1986 | gas phase; May have rearranged to 2-sila-allyl anion: G3MP2B3 calculations indicate an acidity of 361 kcal/mol |
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
Protonation reactions
C2H5Si- + =
By formula: C2H5Si- + H+ = C2H6Si
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 380.7 ± 5.1 | kcal/mol | G+TS | Damrauer, DePuy, et al., 1986 | gas phase; May have rearranged to 2-sila-allyl anion: G3MP2B3 calculations indicate an acidity of 361 kcal/mol |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔrG° | 374.0 ± 5.0 | kcal/mol | IMRB | Damrauer, DePuy, et al., 1986 | gas phase; May have rearranged to 2-sila-allyl anion: G3MP2B3 calculations indicate an acidity of 361 kcal/mol |
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.
Damrauer, DePuy, et al., 1986
Damrauer, R.; DePuy, C.H.; Davidson, I.M.T.; Hughes, K.J.,
Gas phase ion chemistry of dimethylsilylene,
Organometallics, 1986, 5, 2054. [all data]
Notes
Go To: Top, Reaction thermochemistry data, Gas phase ion energetics data, 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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