tetrachloropalladateII

Tetrachloropalladate(II) is a chemical compound with the formula PdCl4. It is a salt of palladium in its +2 oxidation state, crystallized with chloride ions. The compound exists as two dimorphic forms: the blue, orthorhombic form and the pale blue, tetragonal form.

In terms of its preparation, tetrachloropalladate(II) is typically synthesized through the reaction of palladium(II) chloride with a hydrochloric acid solution. This compound is also used as an intermediate in the preparation of other palladium compounds, including palladium(0) catalysts.

Tetrachloropalladate(II) has been studied in the context of its solid-state and solution-state chemistry. It exhibits lattice modes at around 531 and 796 cm^-1 in its infrared spectrum. The compound also shows activational modes around 204-220 and 246-250 cm^-1, reflecting its crystal field- and charge transfer-like behavior.

From a practical standpoint, tetrachloropalladate(II) is used as a precursor to obtain model compounds for inorganic-organic interfaces. These model compounds have been instrumental in providing insight into the structure, bonding, and conductivity of various inorganic-organic interfaces. Additionally, tetrachloropalladate(II) has been used to investigate superionic conduction and self-diffusion. Due to its use in such research areas, the study of tetrachloropalladate(II) contributes to our understanding of various chemical phenomena and provides value for developing new materials and properties.