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Figure 6
X-ray structure of mok topology of 1a: (a) interpenetration of hexagonal (hcb) sub-nets highlighted in green and blue, (b) building blocks of cyclo­butanes as nodes to form hydrogen-bonded hexagons numbered in a clockwise manner (hydrogens removed for clarity), (c) connections of two hcb nets (connection highlighted in orange and hcb nets in blue/green), and (d) twofold interpenetrated mok nets highlighted separately in tan and blue.

IUCrJ
Volume 6| Part 6| November 2019| Pages 1032-1039
ISSN: 2052-2525
https://doi.org/10.1107/S2052252519011382