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Metal-Organic Nanocapsules with Functionalized s-Heptazine Ligands
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A metalloorganic capsule was synthesized where the ligand is a derivative of heptazine with three carboxylic groups that are coordinated to CuII cations, forming paddle-wheel motifs. Each nanocapsule is neutral, with 12 CuII centers and 8 ligands adopting a rhombicuboctahedron shape. It has almost 3 nm diameter, and the main intermolecular interactions in the solid are π··· π stacking between the C6N7 heptazine moieties. The nanocapsules can form monolayers deposited on graphite as observed by atomic force microscopy, which confirms their stability in solution.
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MAXWELL VILLACORTA, Lindley Andrés, et al. Metal-Organic Nanocapsules with Functionalized s-Heptazine Ligands. Inorganic Chemistry. 2020. Vol. 60, num. 2, pags. 570-573. ISSN 0020-1669. [consulted: 28 of May of 2026]. Available at: https://hdl.handle.net/2445/185030