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Silane, phenyl-


Gas phase ion energetics 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 as indicated in comments:
B - John E. Bartmess
LLK - Sharon G. Lias, Rhoda D. Levin, and Sherif A. Kafafi

Ionization energy determinations

IE (eV) Method Reference Comment
9.25PEPitt, 1973LLK
9.09PEMcLean, 1973LLK

De-protonation reactions

C6H7Si- + Hydrogen cation = Silane, phenyl-

By formula: C6H7Si- + H+ = C6H8Si

Quantity Value Units Method Reference Comment
Deltar1545. ± 8.8kJ/molG+TSGal, Decouzon, et al., 2001gas phase; B
Deltar1540. ± 8.8kJ/molG+TSWetzel, Salomon, et al., 1989gas phase; 1.2 kcal/mol stronger than tBuCH(iPr)OH; value altered from reference due to change in acidity scale; B
Deltar1543. ± 13.kJ/molD-EAWetzel, Salomon, et al., 1989gas phase; D-EA cycle give BDE=87.7±2.2 kcal/mol; B
Deltar1551. ± 17.kJ/molG+TSDamrauer, Kass, et al., 1988gas phase; Between HF and acetone; B
Quantity Value Units Method Reference Comment
Deltar1515. ± 8.4kJ/molIMREGal, Decouzon, et al., 2001gas phase; B
Deltar1510. ± 8.4kJ/molIMREWetzel, Salomon, et al., 1989gas phase; 1.2 kcal/mol stronger than tBuCH(iPr)OH; value altered from reference due to change in acidity scale; B
Deltar1513. ± 13.kJ/molH-TSWetzel, Salomon, et al., 1989gas phase; D-EA cycle give BDE=87.7±2.2 kcal/mol; B
Deltar1521. ± 17.kJ/molIMRBDamrauer, Kass, et al., 1988gas phase; Between HF and acetone; B

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.

Pitt, 1973
Pitt, C.G., Hyperconjugation and its role in group IV chemistry, J. Organomet. Chem., 1973, 61, 49. [all data]

McLean, 1973
McLean, R.A.N., The bonding of a silicon atom with a phenyl ring: The photoelectron spectrum of phenylsilane, Can. J. Chem., 1973, 51, 2089. [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]

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]

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

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