Vestnik of the Far East Branch of the Russian Academy of SciencesVestnik of the Far East Branch of the Russian Academy of SciencesВестник Дальневосточного отделения Российской академии наук0869-7698The Russian Academy of Sciences67604010.31857/S0869769824010072lejudvChemical Sciences. Synthesis, structure and properties of complex compoundsХимические науки. Синтез, структура и свойства комплексных соединенийResearch ArticleStructural chemistry of mixed-ligand inorganic fluoride complexes of uranyl (review)Структурная химия разнолигандных неорганических фторидных комплексных соединений уранила (обзор)https://orcid.org/0000-0002-8473-3580DavidovichRuven L.ДавидовичРувен Лейзерович
Russian Federation

Doctor of Sciences in Chemistry, Professor, Chief Researcher

доктор химических наук, профессор, главный научный сотрудник

davidovich@ich.dvo.ruInstitute of Chemistry, FEB RASИнститут химии ДВО РАН1502202419211228022025Copyright ©; 2024, Russian Academy of SciencesCopyright ©; 2024, Российская академия наук2024Russian Academy of SciencesРоссийская академия наукhttps://journals.eco-vector.com/0869-7698/article/view/676040

The crystal structures of mixed-ligand sulfato-, selenato-, phosphato-, arsenato-, and chromato-fluoride complexes of uranyl studied by the single-crystal X-ray diffraction method have been systematized and discussed. The crystal chemical features of the structures of the mixed-ligand inorganic fluoride complexes of uranyl were determined: the coordination polyhedron of the hexavalent uranium atom in the structures of the mixed-ligand inorganic fluoride complexes of uranyl has a pentagonal-bipyramidal structure: the oxygen atoms of the uranyl group are located on the vertical axis of the pentagonal bipyramid, perpendicular to the equatorial plane in which five atoms are located. In the crystal structures of dimeric and polymeric chain mixed-ligand inorganic fluoride complexes of uranyl the fluoride bridges form fluoride atoms. Inorganic ligands combine dimers and polymeric chains into layers and three-dimensional formation.

Систематизированы и обсуждены кристаллические структуры разнолигандных сульфато-, селенато-, фосфато-, арсенато- и хроматофторидных комплексных соединений уранила, изученных монокристальным методом рентгеноструктурного анализа. Определены кристаллохимические особенности строения разнолигандных неорганических фторидных комплексных соединений уранила: координационный полиэдр шестивалентного атома урана в структурах разнолигандных неорганических фторидных комплексных соединений уранила имеет пентагонально-бипирамидальную структуру. Атомы кислорода уранильной группы сосредоточены на вертикальной оси пентагональной бипирамиды, перпендикулярно экваториальной плоскости, в которой расположены пять атомов координированных лигандов. В структурах димерных и цепочечных разнолигандных неорганических фторидных комплексных соединений уранила мостиковые связи образуют фторидные атомы. Неорганические лиганды объединяют димеры и полимерные цепи в слои и трехмерное образование.

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