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![[Figure 2]](gg3267fig2mag.jpg)
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Figure 2
The disentangled frameworks formed by the two unique ligands L1 and L2. (a) A view of the two-dimensional Ca–L2 coordination framework, together with the folding N—H⋯O hydrogen bonds. The stabilizing O—H⋯O hydrogen bonds have been omitted for clarity. (b) A view of four Ca–L1 helical chains interconnected via N—H⋯O and O—H⋯O hydrogen bonds, drawn as dashed lines (in the electronic version of the paper, blue for N—H⋯O and red for O—H⋯O). The pyridine (C)H atoms have been omitted for clarity. |
![[Figure 2]](gg3267fig2.jpg)
 | STRUCTURAL CHEMISTRY |
ISSN: 2053-2296
