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Perrhenate and pertechnetate complexes of dicationic pyridinium-fused 1,2,4-selenodiazoles featuring Se⋯O chalcogen bonding and anion⋯anion interactionsстатья
- Авторы: Kazakova Anna A., Kubasov Alexey S., Chizhov Alexander O., Novikov Anton P., Volkov Mikhail A., Borisov Alexander V., Nenajdenko Valentine G., Dukhnovsky Evgeny A., Bely Artsiom E., Grishina Maria M., Kritchenkov Andreii S., Gomila Rosa M., Frontera Antonio, Tskhovrebov Alexander G.
- Журнал: Inorganica Chimica Acta
- Том: 563
- Год издания: 2024
- Издательство: Elsevier BV
- Местоположение издательства: Netherlands
- Номер статьи: 121929
- DOI: 10.1016/j.ica.2024.121929
- Аннотация: Coupling between 2-pyridylselenyl chloride and various cyanopyridinium salts resulted in the formation of dicationic pyridinium-fused 1,2,4-selenodiazoles. Novel bicyclic heterocycles are highly soluble in water and readily precipitate pertechnetate and perrhenate anions from aqueous media. All the novel compounds were comprehensively characterized using 1 H and 13 C NMR techniques, ESI-MS, and X-ray diffraction analysis (for eight compounds). Theoretical calculations have shown the intricate nature of chalcogen bonding (ChBs) and anion-π interactions across a series of compounds, each exhibiting unique bonding patterns and interaction energies. Compounds [1]H(ReO4)2 , [2]H(ReO4)2 , [3](ReO4), [2]H(TcO4)2 and [3](TcO4) displayed complex assemblies, highlighting the role of ion-pair interactions, bifurcated ChBs, and directional matere bonds.
- Добавил в систему: Новиков Антон Петрович