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Figure 8
Molecular coordination in piperazine. This figure should be compared with Fig. 7[link](b). Molecular coordination paths are indicated with a dashed line; links to the top and bottom layers have been omitted for clarity, although the centroids in these layers are indicated with filled circles. Hydrogen bonds are shown with a double dashed line. Layers in this structure may be chosen in several different ways; those shown in Fig. 4[link](c) run vertically in this figure. H atoms attached to C are omitted for clarity.

Journal logoSTRUCTURAL SCIENCE
CRYSTAL ENGINEERING
MATERIALS
ISSN: 2052-5206
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