Silane, dimethylphenyl-
- Formula: C8H12Si
- Molecular weight: 136.2664
- IUPAC Standard InChI: InChI=1S/C8H12Si/c1-9(2)8-6-4-3-5-7-8/h3-7,9H,1-2H3
- IUPAC Standard InChIKey: ZISUALSZTAEPJH-UHFFFAOYSA-N
- CAS Registry Number: 766-77-8
- Chemical structure:
This structure is also available as a 2d Mol file or as a computed 3d SD file
The 3d structure may be viewed using Java or Javascript. - Other names: Dimethylphenyl silane; Phenyldimethylsilane
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Gas phase ion energetics data
Go To: Top, References, Notes
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 ± 0.15 | EI | Gaidis, Briggs, et al., 1971 | LLK |
Appearance energy determinations
| Ion | AE (eV) | Other Products | Method | Reference | Comment |
|---|---|---|---|---|---|
| C7H9Si+ | 8.72 | CH3 | EI | Dube and Chvalovsky, 1974 | LLK |
| C8H11Si+ | 10.43 ± 0.04 | H | EI | Gaidis, Briggs, et al., 1971 | LLK |
De-protonation reactions
C8H11Si- + =
By formula: C8H11Si- + H+ = C8H12Si
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 1582. ± 9.2 | kJ/mol | G+TS | Irie, Kikukawa, et al., 2001 | gas phase; The anion may be ArSiH(Me)CH2-, based on LFER size and ab initio calculations - JEB; B |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔrG° | 1550. ± 8.4 | kJ/mol | IMRE | Irie, Kikukawa, et al., 2001 | gas phase; The anion may be ArSiH(Me)CH2-, based on LFER size and ab initio calculations - JEB; B |
References
Go To: Top, Gas phase ion energetics data, Notes
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]
Notes
Go To: Top, Gas phase ion energetics data, References
- Symbols used in this document:
AE Appearance energy ΔrG° Free energy of reaction at standard conditions ΔrH° Enthalpy of reaction at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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