H2SiO
- Formula: H2OSi
- Molecular weight: 46.1008
- CAS Registry Number: 22755-01-7
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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
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Individual Reactions
HOSi- + = H2OSi
By formula: HOSi- + H+ = H2OSi
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 1521. ± 34. | kJ/mol | G+TS | Gronert, O'Hair, et al., 1990 | gas phase; Between acetone, nitromethane |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 1490. ± 33. | kJ/mol | IMRB | Gronert, O'Hair, et al., 1990 | gas phase; Between acetone, nitromethane |
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 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) | 841. | kJ/mol | N/A | Hunter and Lias, 1998 | at O; HL |
Proton affinity (review) | 328. | kJ/mol | N/A | Hunter and Lias, 1998 | at Si; HL |
Quantity | Value | Units | Method | Reference | Comment |
Gas basicity | 808.5 | kJ/mol | N/A | Hunter and Lias, 1998 | at O; HL |
Gas basicity | 295.5 | kJ/mol | N/A | Hunter and Lias, 1998 | at Si; HL |
De-protonation reactions
HOSi- + = H2OSi
By formula: HOSi- + H+ = H2OSi
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 1521. ± 34. | kJ/mol | G+TS | Gronert, O'Hair, et al., 1990 | gas phase; Between acetone, nitromethane; B |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 1490. ± 33. | kJ/mol | IMRB | Gronert, O'Hair, et al., 1990 | gas phase; Between acetone, nitromethane; B |
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.
Gronert, O'Hair, et al., 1990
Gronert, S.; O'Hair, R.A.J.; Prodnuk, S.; Suzle, D.; Damrauer, R.; DePuy, C.H.,
Gas-Phase Chemistry of the Silaformyl Anion, HSiO-,
J. Am. Chem. Soc., 1990, 112, 3, 997, https://doi.org/10.1021/ja00159a016
. [all data]
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]
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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