SiH3 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

Note: Please consider using the reaction search for this species. This page allows searching of all reactions involving this species. A general reaction search form is also available. Future versions of this site may rely on reaction search pages in place of the enumerated reaction displays seen below.

Individual Reactions

H3Si- + Hydrogen cation = Silane

By formula: H3Si- + H+ = H4Si

Quantity Value Units Method Reference Comment
Δr1564. ± 8.8kJ/molG+TSGal, Decouzon, et al., 2001gas phase
Δr1560. ± 8.8kJ/molG+TSWetzel, Salomon, et al., 1989gas phase; value altered from reference due to change in acidity scale
Δr1559.8 ± 3.5kJ/molD-EANimlos and Ellison, 1986gas phase
Δr1556. ± 8.8kJ/molG+TSBartmess, Scott, et al., 1979gas phase; value altered from reference due to change in acidity scale
Δr1564.4kJ/molN/ACheck, Faust, et al., 2001gas phase; MnS-(t); ; ΔS(EA)=5.7
Quantity Value Units Method Reference Comment
Δr1530. ± 8.4kJ/molIMREGal, Decouzon, et al., 2001gas phase
Δr1526. ± 8.4kJ/molIMREWetzel, Salomon, et al., 1989gas phase; value altered from reference due to change in acidity scale
Δr1525.4 ± 3.9kJ/molH-TSNimlos and Ellison, 1986gas phase
Δr1522. ± 8.4kJ/molIMREBartmess, Scott, et al., 1979gas phase; value altered from reference due to change in acidity scale
Δr1533.0kJ/molN/ACheck, Faust, et al., 2001gas phase; MnS-(t); ; ΔS(EA)=5.7

(H3Si- • 4294967295Silylene) + Silylene = H3Si-

By formula: (H3Si- • 4294967295H2Si) + H2Si = H3Si-

Quantity Value Units Method Reference Comment
Δr354. ± 5.9kJ/molN/ANimlos and Ellison, 1986gas phase
Δr212. ± 10.kJ/molTherBartmess, Scott, et al., 1979gas phase; value altered from reference due to change in acidity scale

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 by: John E. Bartmess

Protonation reactions

H3Si- + Hydrogen cation = Silane

By formula: H3Si- + H+ = H4Si

Quantity Value Units Method Reference Comment
Δr1564. ± 8.8kJ/molG+TSGal, Decouzon, et al., 2001gas phase
Δr1560. ± 8.8kJ/molG+TSWetzel, Salomon, et al., 1989gas phase; value altered from reference due to change in acidity scale
Δr1559.8 ± 3.5kJ/molD-EANimlos and Ellison, 1986gas phase
Δr1556. ± 8.8kJ/molG+TSBartmess, Scott, et al., 1979gas phase; value altered from reference due to change in acidity scale
Δr1564.4kJ/molN/ACheck, Faust, et al., 2001gas phase; MnS-(t); ; ΔS(EA)=5.7
Quantity Value Units Method Reference Comment
Δr1530. ± 8.4kJ/molIMREGal, Decouzon, et al., 2001gas phase
Δr1526. ± 8.4kJ/molIMREWetzel, Salomon, et al., 1989gas phase; value altered from reference due to change in acidity scale
Δr1525.4 ± 3.9kJ/molH-TSNimlos and Ellison, 1986gas phase
Δr1522. ± 8.4kJ/molIMREBartmess, Scott, et al., 1979gas phase; value altered from reference due to change in acidity scale
Δr1533.0kJ/molN/ACheck, Faust, et al., 2001gas phase; MnS-(t); ; ΔS(EA)=5.7

Ion clustering 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

Note: Please consider using the reaction search for this species. This page allows searching of all reactions involving this species. Searches may be limited to ion clustering reactions. A general reaction search form is also available.

Clustering reactions

(H3Si- • 4294967295Silylene) + Silylene = H3Si-

By formula: (H3Si- • 4294967295H2Si) + H2Si = H3Si-

Quantity Value Units Method Reference Comment
Δr354. ± 5.9kJ/molN/ANimlos and Ellison, 1986gas phase
Δr212. ± 10.kJ/molTherBartmess, Scott, et al., 1979gas phase; value altered from reference due to change in acidity scale

References

Go To: Top, Reaction thermochemistry data, Gas phase ion energetics data, Ion clustering 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]


Notes

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