Bond topology of chain, ribbon and tube silicates. Part II. Geometrical analysis of infinite 1D arrangements of (TO4)n− tetrahedra

Day, M.C.; Hawthorne, F.C.; Rostami, A.

doi:10.1107/S2053273324002432

Acta Crystallographica Section A
Acta Crystallographica
Section A FOUNDATIONS AND ADVANCES

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Figure 24
(a) A ⁴V₂ chain graph and the corresponding unit-distance graph in which n_t:n_g = 1:2; (b) a ⁴V₅ chain graph and the corresponding unit-distance graph. Both unit-distance graphs are incompatible and the T⋯T_min separations less than γ are shown with red dashed lines. (c) The unit-distance graph in (b) with a red arrow showing how medium-range modification will force T⋯T separations to approach zero as the length of the chain increases. (d) The unit-distance graph in (b) in which the length of the chain has been increased to show how a modulated geometry (shown with red arrows) is required to prevent T⋯T separations from approaching zero as shown in (c). Legend as in Fig. 18

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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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