Tetrakis(dimethyl sulfoxide-O)copper(II) Bis(perchlorate)

The four dimethyl sulfoxide ligands of the title complex, [Cu(C₂H₆OS)₄]²⁺.2ClO₄^-, adopt a tetrahedrally distorted square-planar arrangement around the central Cu^II ion, with all Cu-O bond lengths falling within the range 1.934 (6)-1.954 (6) Å. One O atom from each of the perchlorate anions interacts weakly at distances of 2.466 (8) and 2.640 (8) Å.

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