GeH3 anion


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

H3Ge- + Hydrogen cation = Germane

By formula: H3Ge- + H+ = H4Ge

Quantity Value Units Method Reference Comment
Δr358.7 ± 2.1kcal/molG+TSGal, Decouzon, et al., 2001gas phase
Δr358.9 ± 1.3kcal/molG+TSDecouzon, Gal, et al., 1993gas phase; The neutral acid ΔHf may be ca. 4 kcal/mol too positive: G2 calculations, Mayer, Gal, et al., 1997
Δr>356.0 ± 2.7kcal/molD-EAReed and Brauman, 1974gas phase
Δr362.00kcal/molN/ACheck, Faust, et al., 2001gas phase; Fe(CO)-(q); ; ΔS(EA)=5.0
Quantity Value Units Method Reference Comment
Δr350.6 ± 2.0kcal/molIMREGal, Decouzon, et al., 2001gas phase
Δr350.8 ± 1.2kcal/molIMREDecouzon, Gal, et al., 1993gas phase; The neutral acid ΔHf may be ca. 4 kcal/mol too positive: G2 calculations, Mayer, Gal, et al., 1997
Δr>347.9 ± 2.8kcal/molH-TSReed and Brauman, 1974gas phase
Δr353.90kcal/molN/ACheck, Faust, et al., 2001gas phase; Fe(CO)-(q); ; ΔS(EA)=5.0

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.

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]

Decouzon, Gal, et al., 1993
Decouzon, M.; Gal, J.F.; Gayraud, J.; Maria, P.C.; Vaglio, G.A.; Volpe, P., Fourier Transform-Ion Cyclotron Resonance Study of the Gas-Phase Acidities of Germane and Methylgermane - Bond Dissociation Energy of German, J. Am. Soc. Mass Spectrom., 1993, 4, 1, 54, https://doi.org/10.1016/1044-0305(93)85042-V . [all data]

Mayer, Gal, et al., 1997
Mayer, P.M.; Gal, J.-F.; Radom, L., The Heats of Formation, Gas-phase Acidities, and Related Thermochemical Properties of the Third-row Hydrides GeH4, AsH3, SeH2, and HBr from G2 ab initio Calculations, Int. J. Mass Spectrom. Ion Proc., 1997, 167/168, 689, https://doi.org/10.1016/S0168-1176(97)00127-4 . [all data]

Reed and Brauman, 1974
Reed, K.J.; Brauman, J.I., Photodetachment of electrons from Group IVa binary hydride anions: The electron affinities of the SiH3 and GeH3 radicals, J. Chem. Phys., 1974, 61, 4830. [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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