Silanol, trimethyl-
- Formula: C3H10OSi
- Molecular weight: 90.1964
- IUPAC Standard InChI: InChI=1S/C3H10OSi/c1-5(2,3)4/h4H,1-3H3
- IUPAC Standard InChIKey: AAPLIUHOKVUFCC-UHFFFAOYSA-N
- CAS Registry Number: 1066-40-6
- Chemical structure:
This structure is also available as a 2d Mol file or as a computed 3d SD file
The 3d structure may be viewed using Java or Javascript. - Other names: Hydroxytrimethylsilane; Trimethylhydroxysilane; Trimethylsilanol
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Gas phase ion energetics data
Go To: Top, References, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Data evaluated as indicated in comments:
HL - Edward P. Hunter and Sharon G. Lias
Data compiled as indicated in comments:
B - John E. Bartmess
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| Proton affinity (review) | 814.0 | kJ/mol | N/A | Hunter and Lias, 1998 | HL |
| Quantity | Value | Units | Method | Reference | Comment |
| Gas basicity | 781.5 | kJ/mol | N/A | Hunter and Lias, 1998 | HL |
De-protonation reactions
C3H9OSi- + =
By formula: C3H9OSi- + H+ = C3H10OSi
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 1518. ± 19. | kJ/mol | G+TS | Angelini, Johnson, et al., 1991 | gas phase; Between CF2HCH2OH, CF3CH2OH; B |
| ΔrH° | 1502. ± 17. | kJ/mol | G+TS | Damrauer, Simon, et al., 1991 | gas phase; between pyrrole, CF3CH2OH; B |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔrG° | 1492. ± 19. | kJ/mol | IMRB | Angelini, Johnson, et al., 1991 | gas phase; Between CF2HCH2OH, CF3CH2OH; B |
| ΔrG° | 1475. ± 17. | kJ/mol | IMRB | Damrauer, Simon, et al., 1991 | gas phase; between pyrrole, CF3CH2OH; B |
References
Go To: Top, 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.
Hunter and Lias, 1998
Hunter, E.P.; Lias, S.G.,
Evaluated Gas Phase Basicities and Proton Affinities of Molecules: An Update,
J. Phys. Chem. Ref. Data, 1998, 27, 3, 413-656, https://doi.org/10.1063/1.556018
. [all data]
Angelini, Johnson, et al., 1991
Angelini, G.; Johnson, C.E.; Brauman, J.I.,
Addition and Deprotonation in Reactions of Hydroxide Ion with a beta-Hydroxysilane,
Int. J. Mass Spectrom. Ion Proc., 1991, 109, 1, https://doi.org/10.1016/0168-1176(91)85093-2
. [all data]
Damrauer, Simon, et al., 1991
Damrauer, R.; Simon, R.; Krempp, M.,
Effect of Substituents on the Gas-Phase Acidity of Silanols,
J. Am. Chem. Soc., 1991, 113, 12, 4431, https://doi.org/10.1021/ja00012a009
. [all data]
Notes
Go To: Top, 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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