TetrachloroplatinateII

Tetrachloroplatinate(II) is a coordination complex with the chemical formula [PtCl4]2-. It consists of a platinum(II) ion at the center, coordinated by four chloride ions. The platinum ion has a d8 electron configuration, which means it has two electrons in the 5d orbitals. These electrons are involved in the formation of the coordination complex, where they are shared with the chloride ions.

The complex is typically prepared by the reaction of platinum(II) chloride with a chloride source in an aqueous solution. The resulting solution contains the [PtCl4]2- ion, which can be isolated by precipitation or crystallization. The complex is soluble in water and other polar solvents, but insoluble in non-polar solvents.

Tetrachloroplatinate(II) is used in various applications, including as a catalyst in organic synthesis and as a precursor in the preparation of other platinum complexes. It is also used in the production of platinum-based drugs, such as cisplatin, which is used in the treatment of certain types of cancer.

The complex has a square planar geometry, with the four chloride ions arranged at the vertices of a square around the platinum ion. The Pt-Cl bond lengths are approximately 2.28 Å, and the Cl-Pt-Cl bond angles are 90 degrees. The complex is diamagnetic, meaning it does not have any unpaired electrons and is not attracted to a magnetic field.

In summary, tetrachloroplatinate(II) is a coordination complex with the formula [PtCl4]2-, consisting of a platinum(II) ion coordinated by four chloride ions. It is used in various applications, including as a catalyst and as a precursor in the preparation of other platinum complexes. The complex has a square planar geometry and is diamagnetic.