Silane, dimethylphenyl-

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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
8.92 ± 0.15EIGaidis, Briggs, et al., 1971LLK

Appearance energy determinations

Ion AE (eV) Other Products MethodReferenceComment
C7H9Si+8.72CH3EIDube and Chvalovsky, 1974LLK
C8H11Si+10.43 ± 0.04HEIGaidis, Briggs, et al., 1971LLK

De-protonation reactions

C8H11Si- + Hydrogen cation = Silane, dimethylphenyl-

By formula: C8H11Si- + H+ = C8H12Si

Quantity Value Units Method Reference Comment
Δr1582. ± 9.2kJ/molG+TSIrie, Kikukawa, et al., 2001gas phase; The anion may be ArSiH(Me)CH2-, based on LFER size and ab initio calculations - JEB; B
Quantity Value Units Method Reference Comment
Δr1550. ± 8.4kJ/molIMREIrie, Kikukawa, et al., 2001gas phase; The anion may be ArSiH(Me)CH2-, based on LFER size and ab initio calculations - JEB; 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

Kovats' RI, non-polar column, isothermal

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Column type Active phase Temperature (C) I Reference Comment
PackedPolymethylsiloxane, (PMS-20000)50.946.2Ainshtein and Shulyatieva, 1972He, Chromosorb W; Column length: 2. m

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.

Gaidis, Briggs, et al., 1971
Gaidis, J.M.; Briggs, P.R.; Shannon, T.W., Mass spectra of disilanes. Phenyl-silicon interaction and silicon-silicon bond strength, J. Phys. Chem., 1971, 75, 974. [all data]

Dube and Chvalovsky, 1974
Dube, G.; Chvalovsky, V., Electron impact fragmentation of substituted phenyldimethylsilanes, Collect. Czech. Chem. Commun., 1974, 39, 2621. [all data]

Irie, Kikukawa, et al., 2001
Irie, M.; Kikukawa, K.; Shimizu, N.; Mishima, M., Gas-phase acidities of aryldimethylsilanes, J. Chem. Soc. Perkin Trans., 2001, 2, 6, 923-928, https://doi.org/10.1039/b100488n . [all data]

Ainshtein and Shulyatieva, 1972
Ainshtein, A.A.; Shulyatieva, T.I., Retention indices of alkyl- and arylchlorosilanes, Zh. Anal. Khim., 1972, 27, 816-821. [all data]


Notes

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