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Figure 1
Fragments of crystal structures of different materials based on the same framework topology: (a) mineral diamond; (b) hydrogen-bonded framework in the twofold interpenetrated structure of adamantane-1,3,5,7-tetra­carb­oxy­lic acid (CSD reference: GEJVEW; Ermer, 1988BB69); (c) metal–organic framework {Cu[C(C6H4CN)4]}nn+, with anionic guests omitted for clarity (CSD reference: JARMEU; Hoskins & Robson, 1989BB100) and (d) a covalent framework in the fivefold interpenetrated structure of COF-300 (CSD reference: XUGRAT; Uribe-Romo et al., 2009BB201).

ISSN: 2052-5206
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