Methanol, TMS derivative
- Formula: C4H12OSi
- Molecular weight: 104.2230
- IUPAC Standard InChI: InChI=1S/C4H12OSi/c1-5-6(2,3)4/h1-4H3
- IUPAC Standard InChIKey: POPACFLNWGUDSR-UHFFFAOYSA-N
- CAS Registry Number: 1825-61-2
- 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: Silane, methoxytrimethyl-; Methoxytrimethylsilane; Methyl trimethylsilyl ether; Trimethylmethoxysilane; (CH3)3SiOCH3; Silane, trimethyl, methoxy
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Gas phase ion energetics data
Go To: Top, Gas Chromatography, References, Notes
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:
LBLHLM - Sharon G. Lias, John E. Bartmess, Joel F. Liebman, John L. Holmes, Rhoda D. Levin, and W. Gary Mallard
RDSH - Henry M. Rosenstock, Keith Draxl, Bruce W. Steiner, and John T. Herron
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| Proton affinity (review) | 202.4 | kcal/mol | N/A | Hunter and Lias, 1998 | HL |
| Quantity | Value | Units | Method | Reference | Comment |
| Gas basicity | 194.7 | kcal/mol | N/A | Hunter and Lias, 1998 | HL |
Ionization energy determinations
| IE (eV) | Method | Reference | Comment |
|---|---|---|---|
| 9.61 | PE | Molder, Pikver, et al., 1983 | LBLHLM |
| 9.79 ± 0.04 | EI | Hess, Lampe, et al., 1965 | RDSH |
Appearance energy determinations
| Ion | AE (eV) | Other Products | Method | Reference | Comment |
|---|---|---|---|---|---|
| C3H9OSi+ | 10.25 ± 0.05 | CH3 | EI | Hess, Lampe, et al., 1965 | RDSH |
| C3H9Si+ | 12.43 ± 0.18 | ? | EI | Hess, Lampe, et al., 1965 | RDSH |
Gas Chromatography
Go To: Top, Gas phase ion energetics data, References, Notes
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
| Column type | Active phase | Temperature (C) | I | Reference | Comment |
|---|---|---|---|---|---|
| Packed | Apiezon M | 160. | 506. | Peetre, Ellren, et al., 1985 | Chromosorb G; Column length: 3. m |
Normal alkane RI, non-polar column, isothermal
| Column type | Active phase | Temperature (C) | I | Reference | Comment |
|---|---|---|---|---|---|
| Packed | Apieson M | 160. | 506. | Ellren, Peetre, et al., 1974 | Chromosorb G AW DMCS (80-100 mesh) |
Normal alkane RI, non-polar column, temperature ramp
| Column type | Active phase | I | Reference | Comment |
|---|---|---|---|---|
| Capillary | OV-101 | 562. | Zenkevich, 2005 | 25. m/0.20 mm/0.10 μm, N2/He, 6. K/min; Tstart: 50. C; Tend: 250. C |
| Capillary | HP-5 | 563. | Jung, Wichmann, et al., 1999 | 25. m/0.20 mm/0.33 μm, 50. C @ 3. min, 5. K/min; Tend: 180. C |
References
Go To: Top, Gas phase ion energetics data, Gas Chromatography, Notes
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]
Molder, Pikver, et al., 1983
Molder, U.H.; Pikver, R.J.; Koppel, I.A.,
Photoelectron spectra of molecules. 2. Ethers,
Org. React. (N.Y. Engl. Transl.), 1983, 20, 208. [all data]
Hess, Lampe, et al., 1965
Hess, G.G.; Lampe, F.W.; Sommer, L.H.,
An electron impact study of ionization and dissociation of trimethylsilanes,
J. Am. Chem. Soc., 1965, 87, 5327. [all data]
Peetre, Ellren, et al., 1985
Peetre, I.-B.; Ellren, O.; Smith, B.E.F.,
Gas chromatographic investigation of organometallic compounds and their carbon analogues. VI. Determination, calculation and correlation of Kováts retention indices for alkylalkoxysilanes,
J. Chromatogr., 1985, 318, 41-55, https://doi.org/10.1016/S0021-9673(01)90662-4
. [all data]
Ellren, Peetre, et al., 1974
Ellren, O.; Peetre, I.B.; Smith, B.E.F.,
Gas chromatographic investigation of organometallic compounds and their carbon analogues. V. Use of refractive index in conjunction with Kovats retention index for the identification of organosilicon compounds,
J. Chromatogr., 1974, 93, 2, 383-392, https://doi.org/10.1016/S0021-9673(01)85402-9
. [all data]
Zenkevich, 2005
Zenkevich, I.G.,
Experimentally measured retention indices., 2005. [all data]
Jung, Wichmann, et al., 1999
Jung, A.; Wichmann, K.-H.; Kolb, M.,
VOC emission of polymeric packaging materials,
LaborPraxis, 1999, 23, 9, 20-22. [all data]
Notes
Go To: Top, Gas phase ion energetics data, Gas Chromatography, References
- Symbols used in this document:
AE Appearance energy - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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