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Figure 4
Diagrams illustrating the coordinate system with the asymmetric unit in gray (a), as well as the topology (b) and layer space-group symmetry (c) of the honeycombs in relation to the location of the site where the center of an upper-layer cell projects onto the mean plane of the lower layer. See text for explanation. |

journal menu![[Figure 4]](uv5034fig4.jpg)
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