Cortaderia Selloana

by | Mar 19, 2018 | Cortaderia Selloana

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Palladium(II) bromide is an inorganic compound of palladium and bromine with the chemical formula PdBr2. It is a commercially available, although less common than palladium(II) chloride, the usual entry point to palladium complexes. It is a diamagnetic solid.

Structure

3D model of a ribbon in the crystal structure of palladium(II) bromide

As confirmed by X-ray crystallography, PdBr2 is a coordination polymer.[1] It crystallises in the P21/c space group and the structure consists of wavy ribbons of edge-sharing PdBr4 coordination squares.[2]

3D model of ribbon packing in the crystal structure of palladium(II) bromide 3D model of ribbon packing in the crystal structure of palladium(II) bromide

Reactions

Palladium(II) bromide is insoluble in water but dissolves when heated in acetonitrile to give monomeric acetonitrile adducts:[3]

PdBr2 + 2 MeCN → PdBr2(MeCN)2

PdBr2 exhibits many of the properties of palladium chloride and palladium acetate, giving catalysts active for carbonylations and cross-coupling reactions.[4]

References

  1. ^ K. Brodersen, G. Thiele, H. Gaedcke (1966). "Die Konstitution des Palladium(II)-bromids". Z. Anorg. Allg. Chem. 348 (3–4): 162–167. doi:10.1002/zaac.19663480307.{{cite journal}}: CS1 maint: multiple names: authors list (link)
  2. ^ "Information card for entry 1534319". Crystallography Open Database. 1966. Retrieved 2020-05-03.
  3. ^ O. A. Zalevskaya, E. G. Vorob'eva1, I. A. Dvornikova and A. V. Kuchin (2008). "Palladium Complexes Based on Optically Active Terpene Derivatives of Ethylenediamine". Russian Journal of Coordination Chemistry. 34 (11): 855–857. doi:10.1134/S1070328408110110. S2CID 95529734.{{cite journal}}: CS1 maint: multiple names: authors list (link) CS1 maint: numeric names: authors list (link)
  4. ^ Mahoney, Stuart J.; Fillion, Eric (2013). "Palladium(II) Bromide". Encyclopedia of Reagents for Organic Synthesis. doi:10.1002/047084289X.rn01617. ISBN 978-0471936237.
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