Platinum
Platinum is a chemical element with symbol Pt and atomic number 78. It is a dense, malleable, ductile, highly unreactive, precious, silverish-white transition metal. Its name is derived from the Spanish term "platino", meaning "little silver".
Dichloro(cycloocta-1,5-diene)platinum(II)
Dichloro(1,5-cyclooctadiene)platinum(II) (Pt(cod)Cl) is an organometallic compound of platinum. This colourless solid is an entry point to other platinum compounds through the displacement of the cod and/or chloride ligands. It is one of several complexes of 1,5-cyclooctadiene.