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| Figure 1 The structure of a portion of the polymeric chain in (I), showing displacement ellipsoids drawn at the 30% probability level and the atomic labelling. Unlabelled atoms are related to labelled atoms by the symmetry code (x − 1, y − 1, z). |
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| Figure 1 The structure of a portion of the polymeric chain in (I), showing displacement ellipsoids drawn at the 30% probability level and the atomic labelling. Unlabelled atoms are related to labelled atoms by the symmetry code (x − 1, y − 1, z). |