(CH3)2Si
- Formula: C2H6Si
- Molecular weight: 58.1545
- IUPAC Standard InChI: InChI=1S/C2H6Si/c1-3-2/h1-2H3
- IUPAC Standard InChIKey: JZZIHCLFHIXETF-UHFFFAOYSA-N
- CAS Registry Number: 6376-86-9
- Chemical structure:
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Reaction thermochemistry data
Go To: Top, 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: 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
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
View reactions leading to C2H6Si+ (ion structure unspecified)
De-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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