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Me3SiCH2 anion


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

C4H11Si- + Hydrogen cation = Silane, tetramethyl-

By formula: C4H11Si- + H+ = C4H12Si

Quantity Value Units Method Reference Comment
Deltar1624. ± 13.kJ/molG+TSDamrauer, Kass, et al., 1988gas phase; Comparable to fluorobenzene
Deltar1636. ± 8.4kJ/molD-EAWetzel and Brauman, 1988gas phase
Quantity Value Units Method Reference Comment
Deltar1586. ± 13.kJ/molIMRBDamrauer, Kass, et al., 1988gas phase; Comparable to fluorobenzene
Deltar1597. ± 8.8kJ/molH-TSWetzel and Brauman, 1988gas phase
Deltar1635. ± 21.kJ/molIMRBDePuy and Damrauer, 1984gas phase

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

Electron affinity of neutral species

EAneutral (eV) Method Reference Comment
1.07 ± 0.16D-EADamrauer, Kass, et al., 1988Comparable to fluorobenzene
0.950 ± 0.013LPDWetzel and Brauman, 1988 

Protonation reactions

C4H11Si- + Hydrogen cation = Silane, tetramethyl-

By formula: C4H11Si- + H+ = C4H12Si

Quantity Value Units Method Reference Comment
Deltar1624. ± 13.kJ/molG+TSDamrauer, Kass, et al., 1988gas phase; Comparable to fluorobenzene
Deltar1636. ± 8.4kJ/molD-EAWetzel and Brauman, 1988gas phase
Quantity Value Units Method Reference Comment
Deltar1586. ± 13.kJ/molIMRBDamrauer, Kass, et al., 1988gas phase; Comparable to fluorobenzene
Deltar1597. ± 8.8kJ/molH-TSWetzel and Brauman, 1988gas phase
Deltar1635. ± 21.kJ/molIMRBDePuy and Damrauer, 1984gas phase

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, Kass, et al., 1988
Damrauer, R.; Kass, S.R.; DePuy, C.H., Gas-Phase Acidities of Methylsilanes: C-H versus Si-H, Organomet., 1988, 7, 3, 637, https://doi.org/10.1021/om00093a011 . [all data]

Wetzel and Brauman, 1988
Wetzel, D.M.; Brauman, J.I., Quantitative Measure of alpha-Silyl Carbanion Stabilization. The Electron Affinity of (Trimethylsilyl)methyl Radical, J. Am. Chem. Soc., 1988, 110, 25, 8333, https://doi.org/10.1021/ja00233a008 . [all data]

DePuy and Damrauer, 1984
DePuy, C.H.; Damrauer, R., Reactions of organosilane anionic species with nitrous oxide, Organometallics, 1984, 3, 362. [all data]


Notes

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