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Figure 2 Partial packing diagram of one of the two parallel polymeric strands observed within the unit cell showing the intra- and inter-molecular K⋯O and intermolecular O(H)⋯O contacts (dashed lines). Hydrogen atoms have been omitted for clarity. Symmetry codes: (i) x, −y + 1, z; (ii) −x, y, −z; (iii) −x, −y + 1, −z; (iv) −x + , y + , −z; (v) −x + , −y + , −z; (vi) −x + 1, y, −z; (vii) −x + , y − , −z; (viii) x + , y + , z; (ix) x + , −y + , z; (x) −x + 1, −y + 1, −z; (xi) x − , y − , z; (xii) x − , −y + , z; (xiii) x − , y + , z; (xiv) x + , −y + , z; (xv) x + , y − , z; (xvi) x + , −y + , z; (xvii) −x + , −y + , −z. |