Polyyne
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A polyyne is any organic compound with alternating single and triple bonds; that is, a series of consecutive alkynes, n with n greater than 1. These compounds are also called polyacetylenes, especiall
Organic and organosilicon polyynes
Examples of known organometallic polyynes.
Linear acetylenic carbon
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Linear acetylenic carbon, also known as carbyne or a Linear Carbon Chain, is an allotrope of carbon that has the chemical structure n as a repeat unit, with alternating single and triple bonds. It wou
Polyyne
…single and double bonds (which are polyenes) (−CR=CR′−)n with n greater than 1. They are also sometimes referred to as oligoynes, or carbinoids after "carbyne" (−C≡C−)∞, the hypothetical allotrope of carbon that would be the ultimate member of the series. The synthesis of this substance has been claimed several…
Electron micrograph of a linear carbon chain (carbyne) between a carbon lump and Fe electrode, approximately 36 nm wide image