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Figure 1
(a) X-ray crystal structure of 1 viewed along its C2 axis of symmetry. The four linking nickel atoms are illustrated by green balls. One TSH building block is highlighted and shown in the inset. Ni, C, O and N atoms are shown in green, grey, red and blue, respectively. All the disorder components, coordinated solvents and hydrogen atoms were omitted for clarity (with the exception of hydrogen atoms on the methyl groups of the highlighted TSH, which are presented by orange balls). (b) X-ray crystal structure of 1 viewed along its C3 axis of symmetry with its longest transverse distance and the confined space at the centre.

IUCrJ
Volume 10| Part 3| May 2023| Pages 321-328
ISSN: 2052-2525
https://doi.org/10.1107/S2052252523002385