Abstract

A new organic–inorganic hybrid material constructed from octamolybdate anion and neutral dinuclear copper(I) units, H4{[Cu2(ophen)2]2[Mo8O26]}[Cu2(ophen)2] · H2O (1) (Hophen =2-hydroxy-1,10-phenanthroline), has been prepared under hydrothermal condition and characterized by elemental analysis, IR, XPS, TGA and single-crystal X-ray diffraction. Compound 1 crystallizes in the triclinic system, space group P 1, with a = 9.9091(8), b = 13.3981(8), c = 14.8266(10) Å, α = 84.6310(10), β = 83.0620(10)°, γ = 77.7800(10), V = 1905.0(2) Å3, Z = 1. Compound 1 contains a centrosymmetric polyoxoanion {[Cu2(ophen)2]2[Mo8O26]}4−, in which the β-[Mo8O26]4− is bisupported by two copper(I) coordination groups through the terminal oxygen atoms. The discrete molecules of 1 are extended into a 3-D supramolecular array through C–H ··· O hydrogen bonds and strong aromatic π–π stacking contacts.

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