| Summary: | In the title compound, [Cu4(C4H4O4)2(C12H8N2)4(H2O)4](NO3)4·4H2O, the complete tetracation is generated by crystallographic inversion symmetry. Both unique Cu2+ ions are coordinated by an N,N′-bidentate phenanthroline molecule, two O-monodentate bis-bridging succinate dianions and a water molecule, resulting in distorted CuN2O3 square-based pyramidal geometries for the metal ions, with the water molecule occupying the apical site. In the crystal, the components are linked by O—H...O hydrogen bonds and aromatic π–π stacking interactions [minimum centroid–centroid separation = 3.537 (2) Å].
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