Sandwich compound

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Notion

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Science and technology

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What Wikipedia says

In organometallic chemistry, a sandwich compound is a chemical compound featuring a metal bound by haptic, covalent bonds to two arene (ring) ligands. The arenes have the formula CnHn, substituted derivatives (for example Cn(CH3)n) and heterocyclic derivatives (for example BCnHn+1).

Excerpt from the Wikipedia article “Sandwich compound”, under the CC BY-SA 4.0 license. Read the article on Wikipedia

Image: The original uploader was Mstroeck at English Wikipedia., CC BY-SA 3.0, via Wikimedia Commons.