Silanol, trimethyl-


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 evaluated as indicated in comments:
HL - Edward P. Hunter and Sharon G. Lias

Data compiled as indicated in comments:
B - John E. Bartmess

Quantity Value Units Method Reference Comment
Proton affinity (review)194.6kcal/molN/AHunter and Lias, 1998HL
Quantity Value Units Method Reference Comment
Gas basicity186.8kcal/molN/AHunter and Lias, 1998HL

De-protonation reactions

C3H9OSi- + Hydrogen cation = Silanol, trimethyl-

By formula: C3H9OSi- + H+ = C3H10OSi

Quantity Value Units Method Reference Comment
Δr362.9 ± 4.6kcal/molG+TSAngelini, Johnson, et al., 1991gas phase; Between CF2HCH2OH, CF3CH2OH; B
Δr358.9 ± 4.1kcal/molG+TSDamrauer, Simon, et al., 1991gas phase; between pyrrole, CF3CH2OH; B
Quantity Value Units Method Reference Comment
Δr356.5 ± 4.5kcal/molIMRBAngelini, Johnson, et al., 1991gas phase; Between CF2HCH2OH, CF3CH2OH; B
Δr352.5 ± 4.0kcal/molIMRBDamrauer, Simon, et al., 1991gas phase; between pyrrole, CF3CH2OH; B

Gas Chromatography

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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: NIST Mass Spectrometry Data Center, William E. Wallace, director

Normal alkane RI, non-polar column, temperature ramp

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Column type Active phase I Reference Comment
CapillaryOV-101584.Zenkevich, 200525. m/0.20 mm/0.10 μm, N2/He, 6. K/min; Tstart: 50. C; Tend: 250. C

Normal alkane RI, non-polar column, custom temperature program

View large format table.

Column type Active phase I Reference Comment
CapillaryDB-1567.Ciccioli, Cecinato, et al., 199460. m/0.32 mm/0.25 μm; Program: not specified

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.

Hunter and Lias, 1998
Hunter, E.P.; Lias, S.G., Evaluated Gas Phase Basicities and Proton Affinities of Molecules: An Update, J. Phys. Chem. Ref. Data, 1998, 27, 3, 413-656, https://doi.org/10.1063/1.556018 . [all data]

Angelini, Johnson, et al., 1991
Angelini, G.; Johnson, C.E.; Brauman, J.I., Addition and Deprotonation in Reactions of Hydroxide Ion with a beta-Hydroxysilane, Int. J. Mass Spectrom. Ion Proc., 1991, 109, 1, https://doi.org/10.1016/0168-1176(91)85093-2 . [all data]

Damrauer, Simon, et al., 1991
Damrauer, R.; Simon, R.; Krempp, M., Effect of Substituents on the Gas-Phase Acidity of Silanols, J. Am. Chem. Soc., 1991, 113, 12, 4431, https://doi.org/10.1021/ja00012a009 . [all data]

Zenkevich, 2005
Zenkevich, I.G., Experimentally measured retention indices., 2005. [all data]

Ciccioli, Cecinato, et al., 1994
Ciccioli, P.; Cecinato, A.; Brancaleoni, E.; Brachetti, A.; Frattoni, M.; Sparapani, R., Composition and Distribution of Polar and Non-Polar VOCs in Urban, Rural, Forest and Remote Areas, Eur Commission EUR, 1994, 549-568. [all data]


Notes

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