page_title: Silylene
section_title: Related reactions
hierarchical_section_title: Silylene / Related reactions
caption_attribution_description: English: Chemdraw image of decamethylsilicocene
context_page_description: Silylene is a chemical compound with the formula SiH₂. 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 when condensed. Unlike carbenes, which can exist in the singlet or triplet state, silylene are singlets.
  Silylenes are formal derivatives of silylene with its hydrogens replaced by other substituents. Most examples feature amido or alkyl/aryl groups.
  Silylenes have been proposed as reactive intermediates. They are carbene analogs.
context_section_description: In one study diphenylsilylene is generated by flash photolysis of a trisilane:
  In this reaction diphenylsilylene is  extruded from the trisila ring. The silylene can be observed with UV spectroscopy at 520 nm and is short-lived with a chemical half-life of two microseconds. Added methanol acts as a chemical trap with a second order rate constant of 13x10⁹ mol⁻¹s⁻¹ which is close to diffusion control.
caption: Decamethylsilicocene is an example of a silylene.[2]
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