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Figure 11
The arrangement of vectors relating molecules of the same orientation in model 1, as viewed down a. Layers of P.R. 170 molecules are schematically represented by four atom fragments whose x coordinates are given at the left of the figure and represented by primed symbols. Red spheres represent the keto-oxygen atoms in molecules of the major component while yellow spheres represent the same atom in the minor components (Fig. 1[link]). Oxygen and attached carbon atoms (grey) define the orientation of the molecule in each layer. Wedged bonds (black) connecting O atoms represent layer-to-layer vectors. Note that molecule M3′ is shifted by [0, 1, 0] relative to molecule M3′ in Fig. 9[link](b).

Journal logoSTRUCTURAL SCIENCE
CRYSTAL ENGINEERING
MATERIALS
ISSN: 2052-5206
Volume 70| Part 2| March 2014| Pages 283-295
doi:10.1107/S2052520614000407
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