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In the title salt, [Zn 2 (C 2 H 8 N 2 ) 5 ](ClO 4 ) 4 , an ethyl­enediamine mol­ecule bridges two bis­(ethyl­enediamine)­zinc units; the five-coordinate Zn atoms show a trigonal–bipyramidal coordination geometry that is distorted towards square-pyramidal (that of one Zn atom is distorted by 12% and that of the other by 34%). The perchlorate ions are all disordered over two positions in a 1:1 ratio. The cation inter­acts weakly with the anion by N—H⋯O hydrogen bonds, generating a three-dimensional network.

(μ-Ethane-1,2-diamine-κ2N:N′)bis[bis(ethane-1,2-diamine-κ2N,N′)zinc(II)] tetrakis(perchlorate)

(μ-Ethane-1,2-diamine-κ²N:N′)bis[bis(ethane-1,2-diamine-κ²N,N′)zinc(II)] tetrakis(perchlorate)