Silane, trimethyl-
- Formula: C3H10Si
- Molecular weight: 74.1970
- IUPAC Standard InChIKey: PQDJYEQOELDLCP-UHFFFAOYSA-N
- CAS Registry Number: 993-07-7
- Chemical structure:
This structure is also available as a 2d Mol file - Other names: Trimethylsilane; 2-Methyl-2-silapropane; (CH3)3SiH
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Phase change 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:
BS - Robert L. Brown and Stephen E. Stein
TRC - Thermodynamics Research Center, NIST Boulder Laboratories, Chris Muzny director
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
Tboil | 282. | K | N/A | PCR Inc., 1990 | BS |
Tboil | 283. | K | N/A | Taylor and Walten, 1944 | Uncertainty assigned by TRC = 4. K; TRC |
Reaction thermochemistry 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
Note: Please consider using the reaction search for this species. This page allows searching of all reactions involving this species. A general reaction search form is also available. Future versions of this site may rely on reaction search pages in place of the enumerated reaction displays seen below.
Individual Reactions
C3H9Si- + =
By formula: C3H9Si- + H+ = C3H10Si
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 385.8 ± 2.2 | kcal/mol | D-EA | Wetzel, Salomon, et al., 1989 | gas phase |
ΔrH° | 384.1 ± 4.1 | kcal/mol | G+TS | Damrauer, Kass, et al., 1988 | gas phase; Between furan and methanol. |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 378.6 ± 2.3 | kcal/mol | H-TS | Wetzel, Salomon, et al., 1989 | gas phase |
ΔrG° | 377.0 ± 4.0 | kcal/mol | IMRB | Damrauer, Kass, et al., 1988 | gas phase; Between furan and methanol. |
ΔrG° | 374.0 ± 3.0 | kcal/mol | IMRB | Grimm and Bartmess, 1992 | gas phase |
ΔrG° | >375.0 ± 3.0 | kcal/mol | IMRB | Wetzel, Salomon, et al., 1989 | gas phase |
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
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | OV-101 | 408. | Zenkevich, 2005 | 25. m/0.20 mm/0.10 μm, N2/He, 6. K/min; Tstart: 50. C; Tend: 250. C |
Capillary | Squalane | 377. | Szekely, Nefedov, et al., 1967 | Nitrogen, 5. K/min; Column length: 50. m; Column diameter: 0.25 mm; Tstart: 60. C; Tend: 250. C |
References
Go To: Top, Phase change data, Reaction thermochemistry data, Gas Chromatography, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
PCR Inc., 1990
PCR Inc.,
Research Chemicals Catalog 1990-1991, PCR Inc., Gainesville, FL, 1990, 1. [all data]
Taylor and Walten, 1944
Taylor, A.G.; Walten, B.V.D.G.,
Trimethyl silane and trimethyl silicon chloride,
J. Am. Chem. Soc., 1944, 66, 842-843. [all data]
Wetzel, Salomon, et al., 1989
Wetzel, D.M.; Salomon, K.E.; Berger, S.; Brauman, J.I.,
Gas-Phase Acidities of Organosilanes and Electron Affinities of Organosilyl Radicals,
J. Am. Chem. Soc., 1989, 111, 11, 3835, https://doi.org/10.1021/ja00193a013
. [all data]
Damrauer, Kass, et al., 1988
Damrauer, R.; Kass, S.R.; DePuy, C.H.,
Gas-Phase Acidities of Methylsilanes: C-H versus Si-H,
Organomet., 1988, 7, 3, 637, https://doi.org/10.1021/om00093a011
. [all data]
Grimm and Bartmess, 1992
Grimm, D.T.; Bartmess, J.E.,
The Intrinsic (Gas Phase) Basicity of some Anions Commonly Used in Condensed-Phase Synthesis,
J. Am. Chem. Soc., 1992, 114, 4, 1227, https://doi.org/10.1021/ja00030a016
. [all data]
Zenkevich, 2005
Zenkevich, I.G.,
Experimentally measured retention indices., 2005. [all data]
Szekely, Nefedov, et al., 1967
Szekely, T.; Nefedov, O.M.; Garzo, G.; Shiryayav, V.I.; Fritz, D.,
Gas chromatographic investigation of the thermal decomposition of polydimethylsilylene,
Acta Chim. Acad. Sci. Hung., 1967, 54, 3-4, 241-254. [all data]
Notes
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- Symbols used in this document:
Tboil Boiling point 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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