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<article xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:ali="http://www.niso.org/schemas/ali/1.0/" article-type="review-article" dtd-version="1.2" xml:lang="en"><front><journal-meta><journal-id journal-id-type="publisher-id">Vestnik of the Far East Branch of the Russian Academy of Sciences</journal-id><journal-title-group><journal-title xml:lang="en">Vestnik of the Far East Branch of the Russian Academy of Sciences</journal-title><trans-title-group xml:lang="ru"><trans-title>Вестник Дальневосточного отделения Российской академии наук</trans-title></trans-title-group></journal-title-group><issn publication-format="print">0869-7698</issn><publisher><publisher-name xml:lang="en">The Russian Academy of Sciences</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="publisher-id">676093</article-id><article-id pub-id-type="doi">10.31857/S0869769824020151</article-id><article-id pub-id-type="edn">lcmiau</article-id><article-categories><subj-group subj-group-type="toc-heading" xml:lang="en"><subject>Chemical Sciences</subject></subj-group><subj-group subj-group-type="toc-heading" xml:lang="ru"><subject>Химические науки</subject></subj-group><subj-group subj-group-type="article-type"><subject>Review Article</subject></subj-group></article-categories><title-group><article-title xml:lang="en">Structural chemistry of mixed-ligand carboxylate-fluoride and neutral fluoride complexes of uranyl (review)</article-title><trans-title-group xml:lang="ru"><trans-title>Структурная химия разнолигандных карбоксилато-фторидных и нейтральных фторидных комплексных соединений уранила (обзор)</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-8473-3580</contrib-id><name-alternatives><name xml:lang="en"><surname>Davidovich</surname><given-names>Ruven L.</given-names></name><name xml:lang="ru"><surname>Давидович</surname><given-names>Рувен Лейзерович</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>Doctor of Sciences in Chemistry, Professor, Chief Researcher</p></bio><bio xml:lang="ru"><p>доктор химических наук, профессор, главный научный сотрудник</p></bio><email>davidovich@ich.dvo.ru</email><xref ref-type="aff" rid="aff1"/></contrib></contrib-group><aff-alternatives id="aff1"><aff><institution xml:lang="en">Institute of Chemistry, FEB RAS</institution></aff><aff><institution xml:lang="ru">Институт химии ДВО РАН</institution></aff></aff-alternatives><pub-date date-type="pub" iso-8601-date="2024-04-15" publication-format="electronic"><day>15</day><month>04</month><year>2024</year></pub-date><issue>2</issue><issue-title xml:lang="ru"/><fpage>170</fpage><lpage>186</lpage><history><date date-type="received" iso-8601-date="2025-02-28"><day>28</day><month>02</month><year>2025</year></date></history><permissions><copyright-statement xml:lang="en">Copyright ©; 2024, Russian Academy of Sciences</copyright-statement><copyright-statement xml:lang="ru">Copyright ©; 2024, Российская академия наук</copyright-statement><copyright-year>2024</copyright-year><copyright-holder xml:lang="en">Russian Academy of Sciences</copyright-holder><copyright-holder xml:lang="ru">Российская академия наук</copyright-holder></permissions><self-uri xlink:href="https://journals.eco-vector.com/0869-7698/article/view/676093">https://journals.eco-vector.com/0869-7698/article/view/676093</self-uri><abstract xml:lang="en"><p>The crystal structures of mixed-ligand carboxylate-fluoride and neutral 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 this class of uranyl compounds were determined: the coordination polyhedron of the hexavalent uranium atom in the structures of the mixed-ligand carboxylate-fluoride and neutral fluoride complexes of uranyl (excluding three hexadentate-bipyramidal compound) 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 mixed-ligand carboxylate-fluoride and neutral fluoride complexes of uranyl (with the exception of one compound in which the bridging bonds in the dimer are formed by oxygen atoms) the fluoride bridges form fluoride atoms.</p></abstract><trans-abstract xml:lang="ru"><p>Систематизированы и обсуждены кристаллические структуры разнолигандных карбоксилато-фторидных и нейтральных фторидных комплексных соединений уранила, изученных монокристальным методом рентгеноструктурного анализа. Определены кристаллохимические особенности строения данного класса соединений уранила: координационный полиэдр шестивалентного атома урана в структурах разнолигандных карбоксилато-фторидных и нейтральных фторидных комплексных соединений уранила (за исключением трех гексадентатно-бипирамидальных соединений) имеет пентагонально-бипирамидальное строение. Атомы кислорода уранильной группы расположены на вертикальной оси пентагональной бипирамиды перпендикулярно экваториальной плоскости, в которой расположены пять атомов координированных лигандов. В структурах димерных и полимерных разнолигандных карбоксилато-фторидных и нейтральных фторидных комплексных соединений уранила мостиковые связи (за исключением одного димерного соединения, в котором мостиковые связи в димере образованы атомами кислорода) образуют фторидные атомы.</p></trans-abstract><kwd-group xml:lang="en"><kwd>uranyl</kwd><kwd>fluoride</kwd><kwd>mixed-ligand</kwd><kwd>pentagonal bipyramid</kwd><kwd>structure carboxylate</kwd><kwd>neutral ligands</kwd></kwd-group><kwd-group xml:lang="ru"><kwd>уранил</kwd><kwd>фторид</kwd><kwd>разнолигандный</kwd><kwd>петагональная бипирамида</kwd><kwd>структура</kwd><kwd>карбоксилаты</kwd><kwd>нейтральные лиганды</kwd></kwd-group></article-meta></front><body></body><back><ref-list><ref id="B1"><label>1.</label><citation-alternatives><mixed-citation xml:lang="en">Davidovich R. L. 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