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Figure 1 Partial view of the polymeric chain in (I) with the atom-labelling scheme. Displacement ellipsoids are drawn at the 60% probability level. H atoms have been omitted for clarity. [Symmetry codes: (i) 1-x, y, 1/2-z; (ii) x, y − 1, z; (iii) 1-x, y − 1, 1/2-z; (iv) x, 1 + y, z; (v) 1-x, 1 + y, 1/2-z] |