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disilane
Sign in to saveAlso known as Si2H6
Disilane is a chemical compound with general chemical formula Si2R6 that was first identified in 1902 by Henri Moissan and Samuel Smiles (1877–1953) where R = H. Moissan and Smiles reported disilane as being among the products formed by the action of dilute acids on metal silicides. Although these reactions had been previously investigated by Friedrich Woehler and Heinrich Buff between 1857 and 1858, Moissan and Smiles were the first to explicitly identify disilane. They referred to disilane as silicoethane. Higher members of the homologous series formed in these reactions were subsequently id
Chemical data
- Formula
- H6Si2
- Molecular weight
- 62.22 g/mol
- IUPAC name
- silylsilane
- SMILES
- [SiH3][SiH3]
- InChIKey
- PZPGRFITIJYNEJ-UHFFFAOYSA-N
- Polar surface area
- 0 Ų
- H-bond donors
- 0
- H-bond acceptors
- 0
- Formal charge
- 0
via PubChem
Wikidata facts
- Mass
- 62.001
Show 7 more facts
- canonical SMILES
- [SiH3][SiH3]
- Commons category
- Disilane
- ionization energy
- 9.70
- melting point
- -132.5
- chemical formula
- H₆Si₂
- electric dipole moment
- 0
- boiling point
- -14.3
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~2 min read
Article
3 sectionsContents
- Synthesis
- Applications and reactions
- References
Disilane is a chemical compound with general chemical formula Si2R6 that was first identified in 1902 by Henri Moissan and Samuel Smiles (1877–1953) where R = H. Moissan and Smiles reported disilane as being among the products formed by the action of dilute acids on metal silicides. Although these reactions had been previously investigated by Friedrich Woehler and Heinrich Buff between 1857 and 1858, Moissan and Smiles were the first to explicitly identify disilane. They referred to disilane as silicoethane. Higher members of the homologous series {{chem2|Si_{n}H_{2n+2}|}} formed in these reactions were subsequently identified by Carl Somiesky (sometimes spelled "Karl Somieski") and Alfred Stock.
At standard temperature and pressure, disilane is a colourless, acrid gas. Disilane and ethane have similar structures, although disilane is much more reactive. Other compounds of the general formula (X = hydrogen, halogen, alkyl, aryl, and mixtures of these groups) are called disilanes. Disilane is a group 14 hydride.