What is "disilene"

n. 1 (context chemistry English) a molecule containing a silicon atom which forms a double bond to another silicon atom 2 (context inorganic chemistry English) a silicon analog of alkenes containing at least one silicon-silicon double bond. 3 (context inorganic compound English) a silicon analog of ethene, Si₂H₄ ( SiH₂=SiH₂ )

Disilene (systematically named disilicon tetrahydride) is an inorganic compound with the chemical formula . The name disilene, referring to the structure of a particular prototropic tautomer of the molecule. It is the simplest silene.