Figure 1
ORTEPII (Johnson, 1976) plot depicting a fragment of the structure. Displacement ellipsoids are drawn at the 50% probability level; H atoms are shown as small spheres of arbitrary radii. [Symmetry codes: (i) 1 − x, 1 − y, 1 − z; (ii) x, 1 − y, z; (iii) 1−x, y, 1 − z.] |