μ‐Terephthalato‐bis­[bis(1,10‐phenanthroline)copper(I)] diperchlorate

The title compound, Cu₂(C₈H₄O₄)(C₁₂H₈N₂)₄](ClO₄)₂, was prepared from the hydro­thermal reaction of CuCl₂, 1,4‐di­cyano­benzene, 1,10‐phenanthroline and water at 443 K. The compound is a dimer in which the cation lies about an inversion center. The terephthalate moiety acts as a bridging ligand and the phenanthrolines as terminal ligands. The unique Cu atom is coordinated by two O and four N atoms in a distorted octahedral geometry, with Cu—O distances of 1.955 (2) and 2.815 (2) Å, and Cu—N distances of 2.008 (2) to 2.216 (2) Å.