disilyne

Disilyne is a low valent silicon compound with the chemical formula Si2R2 where oxidation state of Si is +1. Several isomers are possible, but none are sufficiently stable to be of practical value. Substituted disilynes contain a formal silicon–silicon triple bond and as such are sometimes written R2Si2 (where R is a substituent group). They are the silicon analogues of alkynes.

In the Vinony graph

Vinony's link graph records 157 inbound references to disilyne, and connects out to arsenic trihydride, hydrogen selenide and silanes.

It is catalogued under topics including Chembox image size set and Silicon hydrides.

Vinony links it to 8 Wikipedia language editions.

Chemical data

Formula: H2Si2
Molecular weight: 58.19 g/mol
IUPAC name: silylidynesilane
SMILES: [SiH]#[SiH]
InChIKey: NWEREQWWNYLPTF-UHFFFAOYSA-N
Polar surface area: 0 Å²
H-bond donors: 0
H-bond acceptors: 0
Formal charge: 0

via PubChem

Wikidata facts

Has part: hydrogen
Mass: 57.969503

Show 2 more facts

canonical SMILES: [SiH]#[SiH]
chemical formula: H₂Si₂

Sources (2)

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Encyclopedic overview

4 sections

Contents

Substituted disilynes
Heavier group 14 analogues
See also
References

The term silyne has two diverse meanings. Some chemists use it to refer to compounds containing a silicon–silicon triple bond, by analogy to the carbon–carbon triple bond in alkynes, whereas others use the term to refer to compounds containing a silicon–carbon triple bond by analogy to silene, which often refers to compounds containing silicon–carbon double bonds. The term polysilyne can refer to the layer polymer (SiH)n or substituted derivatives.

Excerpted from Wikipedia’s “disilyne” article, available under the CC BY-SA 4.0 licence.