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Self-Assembly of a Heteropolyoxopalladate Nanocube: [PdII13AsV8O34(OH)6]8−


  • U.K. thanks Jacobs University and ExxonMobil for research support. This work was also supported by the CNRS (UMR 8000) and the Université Paris-Sud 11.


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Not like the others: A molecular palladium oxide cluster was formed by self-assembly of palladium(II) and arsenic(V) using mild reaction conditions. The resulting heteropolypalladate [PdII13AsV8O34(OH)6]8− has a distorted cubic shape and edge lengths of about 1 nm. The thirteen PdII ions retain four-coordinate square-planar geometry, in marked contrast to all other known discrete polyoxometalates.