MeSiCH2 anion
- Formula: C2H5Si-
- Molecular weight: 57.1471
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Gas phase ion energetics 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
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
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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
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- 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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