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Silanes are saturated chemical compounds with the empirical formula SixHy. They are hydrosilanes, a class of compounds that includes compounds with Si−H and other Si−X bonds. All contain tetrahedral silicon and terminal hydrides. They only have Si−H and Si−Si single bonds. The bond lengths are 146.0 pm for a Si−H bond and 233 pm for a ...
SiH 3 Br + 2 Me 2 NH → SiH 3 NMe 2 + Me 2 NH 2 Br 4 SiH 3 I + 5 N 2 H 4 → (SiH 3) 2 NN(SiH 3) 2 + 4 N 2 H 5 I. Many such compounds have been prepared, the only known restriction being that the nitrogen is always tertiary, and species containing the SiH–NH group are unstable at room temperature. The stoichiometry around the nitrogen atom ...
Tetrasilane is a colourless, pyrophoric liquid that has a disgusting odour. Even below 54 °C, it will still spontaneous combust. [1] It is even more unstable than trisilane, slowly decomposing at room temperature, releasing hydrogen and forming shorter chain silanes. [5]
Silane is of practical interest as a precursor to elemental silicon. Silane with alkyl groups are effective water repellents for mineral surfaces such as concrete and masonry. Silanes with both organic and inorganic attachments are used as coupling agents. They are commonly used to apply coatings to surfaces or as an adhesion promoter.
Hydrosilanes are tetravalent silicon compounds containing one or more Si-H bond. The parent hydrosilane is silane (SiH 4). Commonly, hydrosilane refers to organosilicon derivatives. Examples include phenylsilane (PhSiH 3) and triethoxysilane ( (C 2 H 5 O) 3 SiH). Polymers and oligomers terminated with hydrosilanes are resins that are used to ...
Silylene is a chemical compound with the formula SiH 2. It is the silicon analog of methylene, the simplest carbene. Silylene is a stable molecule as a gas but rapidly reacts in a bimolecular manner [clarification needed] when condensed. Unlike carbenes, which can exist in the singlet or triplet state, silylene (and all of its derivatives) are ...
Silanide. Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). A silanide is a chemical compound containing an anionic silicon (IV) centre, the parent ion being SiH. The hydrogen atoms can also be substituted to produce more complex derivative anions such as tris (trimethylsilyl ...
The Stanford Research Institute Problem Solver, known by its acronym STRIPS, is an automated planner developed by Richard Fikes and Nils Nilsson in 1971 at SRI International. [1] The same name was later used to refer to the formal language of the inputs to this planner. This language is the base for most of the languages for expressing ...