A Reinvestigation of Cu₃Mo₂O₉, a Compound Containing Copper(II) in Compressed Octahedral Coordination

The crystal structure of the title copper molybdate consists of strings of corner-sharing CuO₆ octahedra linked to CuO₅ square pyramids and MoO₄ tetrahedra by edges and corners, respectively. The structure contains the Jahn-Teller active ion Cu²⁺ in unusual compressed octahedral coordination.

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