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Figure 9
Comparison of the hydrogen-bonded networks present in crystals of 7 (upper), (7)2·(2) (centre), and (5)2·(6) (lower) and looking down the threefold screw axes. Only one enanti­omer (dark green) is present in structure 7, but both enanti­omers (light and dark green) are present in compound (7)2·(2). Only achiral mol­ecules are contained in (5)2·(6). The mol­ecules of isomer 5 (light and dark blue) occupy a general position, whereas those of isomer 6 major component (yellow and orange) are equally distributed across a centre of symmetry.

ISSN: 2056-9890
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