Photooxidation of trichlorosilane in silicon tetrachloride

Gooden, Robert

doi:10.1021/ic00158a010

Cited by 10 publications

(2 citation statements)

References 3 publications

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“…[79,80] The conjugate acid trichlorosilanol, HOSiCl 3 , has been mentioned more often in literature. Trichlorosilanol was prepared by partial hydrolysis of SiCl 4 , [81,82] by photooxidation of trichlorosilane in SiCl 4 , [83] by gas phase reactions and in an argon matrix. [84,85] The gas phase acidity of trichlorosilanole was reported to be comparable to that of HBr and HNO 3 .…”

Section: Group 16mentioning

confidence: 99%

Trichlorosilyl Anions of p‐Block Elements – New Applications for Simple Molecules

Böhme

Riedel

2022

Eur J Inorg Chem

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Recently several trichlorosilyl anions of main group elements have been isolated and characterized. Since 2015 anions [E(SiCl 3 ) n ] À , which are stabilized solely by trichlorosilyl groups, have been prepared with E=B, C, Si, Ge, P, S. These compounds have long been overlooked due to their high reactivity. This disadvantage is also an advantage, since the high reactivity makes these anions useful as reagents in a number of transformations. Anions of this kind have been used so far in substitution reactions, as superacids, and weakly coordinating anions. This review summarizes present methods for the synthesis of these compounds. Possible applications and future developments are outlined.

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Section: Group 16mentioning

confidence: 99%

Trichlorosilyl Anions of p‐Block Elements – New Applications for Simple Molecules

Böhme

Riedel

2022

Eur J Inorg Chem

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“…As such there is a need to develop a greater understanding of the reactions of SiCl 4 and the role of silicon oxychloridesas may be illustrated by the photochemical synthesis and determination by infrared spectroscopy of trichlorosilanol SiCl 3 OH in SiCl 4 . 8,9 Matrix isolation is an established method to study reaction intermediates and mechanism. 10 Many silicon compounds have been investigated using this approach but there is only limited information on the hydrolysis or alcoholysis reactions of silicon tetrahalides.…”

Section: Introductionmentioning

confidence: 99%

The gas-phase reactions of SiCl4 and Si2Cl6 with CH3OH and C2H5OH: An investigation by mass spectrometry and matrix-isolation infrared spectroscopy

Goldberg

Almond

Ogden

et al. 2004

Phys. Chem. Chem. Phys.

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The gas phase reactions of SiCl 4 and Si 2 Cl 6 with CH 3 OH and C 2 H 5 OH have been investigated using both mass spectrometry and matrix isolation techniques. SiCl 4 reacts with both CH 3 OH and C 2 H 5 OH upon mixing of the vapours for times in excess of 3 h to generate the HCl-elimination products SiCl 3 OR (R ¼ CH 3 or C 2 H 5 ). The identity of these products is confirmed by deuteration experiments and by ab initio calculations at the HF/6-31G(d) level. Further products are generated when the mixture is passed through a tube heated to 750 C. Si 2 Cl 6 reacts with CH 3 OH and C 2 H 5 OH via a different mechanism in which the Si-Si bond is cleaved to yield SiCl 3 OR and HCl. Other products of the type SiCl 4Àn (OCH 3 ) n are tentatively identified by a combination of mass spectrometric and matrix isolation measurements. These latter products indicate further replacement of Cl atoms by OR groups as a result of reaction of CH 3 OH or C 2 H 5 OH with the initial product.

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Silicon: Inorganic Chemistry

Lickiss

2005

Encyclopedia of Inorganic Chemistry

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Silicon is an element of vital importance in many areas of modern synthetic chemistry, the electronics industry and in materials science. This article attempts to summarize the many types of important inorganic derivatives of silicon but excludes the chemistry of silicates and zeolites, which are covered in separate articles. The isolation of elemental silicon from sand is described together with the various methods of purification of the element for use in the semiconductor industry. A brief description of the occurrence of silicon in biology is also given. The bulk of the article deals with compounds of silicon organized according to coordination number. One‐coordinate compounds are short‐lived intermediates and are described briefly. Two‐coordinate compounds, silylenes, have become increasingly important in recent years as are transition metal complexes in which they act as ligands. The use of bulky substituents has allowed stable silylenes to be isolated and their chemistry is described. Three‐coordinate compounds comprise radicals, cations, anions, and silanes (compounds containing a double bond to Si). These species are also generally short‐lived and reactive. The bulk of the article deals with four‐coordinate compounds and is organized according to the substituents at silicon. The industrially important hydrosilanes and halosilanes are described together with the mixed halohydrosilanes and the less common pseudohalosilanes. Alkoxysilanes are also industrially important and these are discussed with other oxygen derivatives such as esters and silanols. Compounds containing SiN bonds are also common and have interesting structural features. The preparation and structures of transition metal complexes containing silyl ligands is described. This is followed by a description of compounds containing silicon with coordination number five or six. The final section describes the analytical methods for the determination of the composition and structure of inorganic silicon compounds. Compounds containing SiC bonds are excluded throughout.

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Photooxidation of trichlorosilane in silicon tetrachloride

Cited by 10 publications

References 3 publications

Trichlorosilyl Anions of p‐Block Elements – New Applications for Simple Molecules

Trichlorosilyl Anions of p‐Block Elements – New Applications for Simple Molecules

The gas-phase reactions of SiCl4 and Si2Cl6 with CH3OH and C2H5OH: An investigation by mass spectrometry and matrix-isolation infrared spectroscopy

Silicon: Inorganic Chemistry

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