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Figure 12
The arrangement of vectors relating molecules of the same orientation in model 2 as viewed down a. Layers of P.R. 170 molecules are schematically represented by four-atom fragments whose x-coordinate is given at the left of the figure and represented by primed symbols. Red spheres indicate exocyclic O atoms in fully occupied molecular layers, while green spheres indicate the same O atoms of the major component in the disordered layer. Corresponding O atoms in the minor component are represented by yellow spheres. Wedged bonds (black) connecting O atoms represent layer-to-layer vectors.

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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