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Figure 2 Coordination sphere of the Na+ cation in (I). Displacement ellipsoids are shown at the 50% probability level. [Symmetry codes: (iii) x + 1, y + 2, z; (iv) x, y + 1, z; (v) x + 1, y + 1, z; (vi) −x + 1, −y + 2, −z + 1; (viii) −x + 2, −y + 3, −z + 1; (xi) −x + 1, −y + 1, −z + 1; (xii) −x + 2, −y + 2, −z + 1]. |