trans-Bis(ethylenediamine-kappa N-2,N ')bis(6-methyl-2,2,4-trioxo-3,4-dihydro-1,2 lambda(6),3-oxathiazin-3-ido-kappa N)copper(II)
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In the crystal structure of the title compound, [Cu(C4H4NO4S)(2)(C2H8N2)(2)], the Cu2+ ion resides on a centre of symmetry. The environment of Cu2+ ion is a distorted octahedron. The axial bond lengths between the Cu-II ion and the N atoms are considerably longer than the equatorial bond distances between the Cu-II ion and the N atoms of the ethylenediamine ligand as a consequence of the Jahn-Teller effect. The molecular conformation is stabilized by intramolecular N-H center dot center dot center dot O hydrogen bonds. In the crystal, molecules are connected by intermolecular N-H center dot center dot center dot O hydrogen bonds into chains running along the a axis.