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In the title complex, [Cu(C8H11NO5PS)(C18H15P)2], the CuI ion is coordinated by two tri­phenyl­phosphane mol­ecules and two O atoms of the chelating dimeth­yl(phenyl­sulfon­yl)amido­phosphate anion, generating a squashed CuO2P2 tetrahedron. In the six-membered chelate ring, the Cu, P and O atoms are almost coplanar (r.m.s. deviation = 0.024 Å), with the N and S atoms displaced in the same direction, by 0.708 (5) and 0.429 (2) Å, respectively.

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Two phenolate O atoms provided by a Schiff base ligand create a double bridge between Ni2+ and Na+ ions. The coordination environment of the Ni2+ ion is square-planar and it has an unusual seven-coordinated geometry: four atoms from the Schiff base ligand, two from a nitrate anion, which coordinates in a bidentate chelating mode, and one O atom from the coordinated methanol mol­ecule. C—H...O weak hydrogen-bond inter­actions result in the formation of chains along the b-axis direction which are further assembled by bifurcated O—H...O hydrogen bonds and π-stacking inter­actions.
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