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Figure 1 . Cubic γ-brass structure of Pd2.28 (1)Zn10.37 (1)Al0.35 (1) in terms of (a) 26-atom clusters in bcc arrangement, with different polyhedra emphasized, and (b) four interpenetrating Pd-centered icosahedra. The color scheme is shown and displacement ellipsoids are drawn at the 90% probability level. |