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Silane


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

H3Si- + Hydrogen cation = Silane

By formula: H3Si- + H+ = H4Si

Quantity Value Units Method Reference Comment
Deltar1564. ± 8.8kJ/molG+TSGal, Decouzon, et al., 2001gas phase
Deltar1560. ± 8.8kJ/molG+TSWetzel, Salomon, et al., 1989gas phase; value altered from reference due to change in acidity scale
Deltar1559.8 ± 3.5kJ/molD-EANimlos and Ellison, 1986gas phase
Deltar1556. ± 8.8kJ/molG+TSBartmess, Scott, et al., 1979gas phase; value altered from reference due to change in acidity scale
Deltar1564.4kJ/molN/ACheck, Faust, et al., 2001gas phase; MnS-(t); ; «DELTA»S(EA)=5.7
Quantity Value Units Method Reference Comment
Deltar1530. ± 8.4kJ/molIMREGal, Decouzon, et al., 2001gas phase
Deltar1526. ± 8.4kJ/molIMREWetzel, Salomon, et al., 1989gas phase; value altered from reference due to change in acidity scale
Deltar1525.4 ± 3.9kJ/molH-TSNimlos and Ellison, 1986gas phase
Deltar1522. ± 8.4kJ/molIMREBartmess, Scott, et al., 1979gas phase; value altered from reference due to change in acidity scale
Deltar1533.0kJ/molN/ACheck, Faust, et al., 2001gas phase; MnS-(t); ; «DELTA»S(EA)=5.7

Hydrogen anion + Silane = (Hydrogen anion bullet Silane)

By formula: H- + H4Si = (H- bullet H4Si)

Quantity Value Units Method Reference Comment
Deltar79. ± 17.kJ/molIMRBHajdasz, Ho, et al., 1994gas phase
Deltar94. ± 19.kJ/molIMREHajdasz and Squires, 1986gas phase; QCISD Calculation: H-A = 20.2, 99MOC
Quantity Value Units Method Reference Comment
Deltar49. ± 17.kJ/molIMRBHajdasz, Ho, et al., 1994gas phase

References

Go To: Top, Reaction thermochemistry data, Notes

Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

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]

Nimlos and Ellison, 1986
Nimlos, M.R.; Ellison, G.B., Photoelectron spectroscopy of SiH3- and SiD3-, J. Am. Chem. Soc., 1986, 108, 6522. [all data]

Bartmess, Scott, et al., 1979
Bartmess, J.E.; Scott, J.A.; McIver, R.T., Jr., The gas phase acidity scale from methanol to phenol, J. Am. Chem. Soc., 1979, 101, 6047. [all data]

Check, Faust, et al., 2001
Check, C.E.; Faust, T.O.; Bailey, J.M.; Wright, B.J.; Gilbert, T.M.; Sunderlin, L.S., Addition of Polarization and Diffuse Functions to the LANL2DZ Basis Set for P-Block Elements, J. Phys. Chem. A,, 2001, 105, 34, 8111, https://doi.org/10.1021/jp011945l . [all data]

Hajdasz, Ho, et al., 1994
Hajdasz, D.J.; Ho, Y.; Squires, R.R., Gas-Phase Chemistry of Pentacoordinate Silicon Hydrides, J. Am. Chem. Soc., 1994, 116, 23, 10751, https://doi.org/10.1021/ja00102a045 . [all data]

Hajdasz and Squires, 1986
Hajdasz, D.J.; Squires, R.R., Hypervalent silicon hydrides: SiH5-, J. Am. Chem. Soc., 1986, 108, 3139. [all data]


Notes

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