Abstract

The title compound, [Cu 2(1,3-pn) 5](ClO 4) 4, crystallizes in the orthorhombic space group Pbca with Z = 8 formula units in a cell of dimensions: a = 30.88(9), b = 14.664(6), c = 15.737(6) Å. The structure was solved by the heavy-atom method and refined by least-squares calculations to R = 0.082 for 3156 counter data. It consists of discrete dinuclear [Cu 2(1,3-pn) 5] 4+ cations and ClO 4 − anions. In the dinuclear cation two propane diamine molecules act as chelating to each copper atom in the basal plane; the fifth amine molecule in an extended form, with its nitrogen atoms located at the apices of two square-pyramides, bridges two copper atoms. Magnetic and spectroscopic data are also discussed.

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