MeSiH2 anion


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 compiled by: John E. Bartmess

Electron affinity of neutral species

EAneutral (eV) Method Reference Comment
1.193 ± 0.035LPDWetzel, Salomon, et al., 1989 

Protonation reactions

CH5Si- + Hydrogen cation = Silane, methyl-

By formula: CH5Si- + H+ = CH6Si

Quantity Value Units Method Reference Comment
Deltar1579. ± 8.8kJ/molG+TSGal, Decouzon, et al., 2001gas phase
Deltar1582. ± 13.kJ/molD-EAWetzel, Salomon, et al., 1989gas phase
Deltar1582. ± 8.8kJ/molG+TSWetzel, Salomon, et al., 1989gas phase; 0.8 kcal/mol weaker than iPrOH; value altered from reference due to change in acidity scale
Deltar1613. ± 17.kJ/molG+TSDamrauer, Kass, et al., 1988gas phase; Between furan and methanol.
Quantity Value Units Method Reference Comment
Deltar1544. ± 8.4kJ/molIMREGal, Decouzon, et al., 2001gas phase
Deltar1546. ± 13.kJ/molH-TSWetzel, Salomon, et al., 1989gas phase
Deltar1546. ± 8.4kJ/molIMREWetzel, Salomon, et al., 1989gas phase; 0.8 kcal/mol weaker than iPrOH; value altered from reference due to change in acidity scale
Deltar1577. ± 17.kJ/molIMRBDamrauer, Kass, et al., 1988gas phase; Between furan and methanol.

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.

Wetzel, Salomon, et al., 1989
Wetzel, D.M.; Salomon, K.E.; Berger, S.; Brauman, J.I., Gas-Phase Acidities of Organosilanes and Electron Affinities of Organosilyl Radicals, J. Am. Chem. Soc., 1989, 111, 11, 3835, https://doi.org/10.1021/ja00193a013 . [all data]

Gal, Decouzon, et al., 2001
Gal, J.F.; Decouzon, M.; Maria, P.C.; Gonzalez, A.I.; Mo, O.; Yanez, M.; El Chaouch, S.; Guillemin, J.C., Acidity trends in alpha,beta-unsaturated alkanes, silanes, germanes, and stannanes, J. Am. Chem. Soc., 2001, 123, 26, 6353-6359, https://doi.org/10.1021/ja004079j . [all data]

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]


Notes

Go To: Top, Gas phase ion energetics data, References