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Figure 17
(a) A planar geometric graph with unequal edge lengths; (b) the unit-distance graph from (a) now equalized. In (b), the T⋯T separation 2–2′ is the same length as the T–T distance and thus this chain geometry is not allowed. (c) The unit-distance graph in (b) where green vertices are moved out of the plane of the page and yellow vertices are moved in the plane of the page such that the T⋯T separation 2–2′ is greater than the T–T distance. Legend as in Fig. 10[link].

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ISSN: 2053-2733
Volume 80| Part 3| May 2024| Pages 258-281
https://doi.org/10.1107/S2053273324002432
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