Ferrocene is a chemical compound consisting of two cyclopentadienyl rings sandwiching a central iron atom. It is classified as a metallocene, which is a type of organometallic compound. Ferrocene is known for its stability and unique structure, making it an important subject of study in chemistry. This compound has various applications, including use as an anti-knock agent in fuels and as a catalyst in chemical reactions. Its distinctive properties have also led to research in fields such as materials science and nanotechnology, highlighting its versatility and significance in modern chemistry.