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Figure 2 A (Cu(CN)8 ring from the [Cu3(CN)5]2- layer, showing the approximately trigonal-planar coordination of atoms Cu1 and Cu2. The terminal cyanide group C1N1 points into the centre of the ring. Key as given for Fig. 1. Displacement ellipsoids are drawn at the 50% probability level.

© International Union of Crystallography 2006