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Figure 1 The coordination environment of the K+ ions showing displacement ellipsoids drawn at the 30% probability level. [Symmetry codes: (i) x, −y + , z + ; (ii) −x + 1, y + , −z + ; (iii) −x + 1, y − , −z + ; (iv) x + 1, −y + , z + ; (v) −x + 1, −y, −z + 1; (vii) x + 1, y, z; (viii) −x + 1, −y, −z]. |