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<article article-type="research-article" dtd-version="1.3" 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" xml:lang="en"><front><journal-meta><journal-id journal-id-type="publisher-id">chemicallytech</journal-id><journal-title-group><journal-title xml:lang="en">Fine Chemical Technologies</journal-title><trans-title-group xml:lang="ru"><trans-title>Тонкие химические технологии</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">2410-6593</issn><issn pub-type="epub">2686-7575</issn><publisher><publisher-name>MIREA – Russian Technological University (RTU MIREA).</publisher-name></publisher></journal-meta><article-meta><article-id custom-type="elpub" pub-id-type="custom">chemicallytech-528</article-id><article-categories><subj-group subj-group-type="heading"><subject>Research Article</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>THEORETICAL BASIS OF CHEMICAL TECHNOLOGY</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="ru"><subject>ТЕОРЕТИЧЕСКИЕ ОСНОВЫ ХИМИЧЕСКОЙ ТЕХНОЛОГИИ</subject></subj-group></article-categories><title-group><article-title>AB INITIO CALCULATION OF CAGE-LIKE SILOXANES AND METALLOSILOXANE STRUCTURE FORMATION</article-title><trans-title-group xml:lang="ru"><trans-title>КВАНТОВО-ХИМИЧЕСКИЙ АНАЛИЗ СТРУКТУРООБРАЗОВАНИЯ КАРКАСНЫХ ОРГАНОСИЛОКСАНОВ И МЕТАЛЛООРГАНОСИЛОКСАНОВ</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Дронова</surname><given-names>М. С.</given-names></name><name name-style="western" xml:lang="en"><surname>Dronova</surname><given-names>M. S.</given-names></name></name-alternatives><bio xml:lang="ru"><p>кафедра Химии и технологии элементоорганических соединений им. К.А. Андрианова,  научный сотрудник</p></bio><email xlink:type="simple">noemail@neicon.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Биляченко</surname><given-names>А. Н.</given-names></name><name name-style="western" xml:lang="en"><surname>Bilyachenko</surname><given-names>A. N.</given-names></name></name-alternatives><bio xml:lang="ru"><p>старший научный сотрудник</p></bio><email xlink:type="simple">noemail@neicon.ru</email><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Кирилин</surname><given-names>А. Д.</given-names></name><name name-style="western" xml:lang="en"><surname>Kirilin</surname><given-names>A. D.</given-names></name></name-alternatives><bio xml:lang="ru"><p>кафедра Химии и технологии элементоорганических соединений им. К.А. Андрианова, заведующий кафедрой</p></bio><email xlink:type="simple">noemail@neicon.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Шубина</surname><given-names>Е. С.</given-names></name><name name-style="western" xml:lang="en"><surname>Shubina</surname><given-names>E. S.</given-names></name></name-alternatives><bio xml:lang="ru"><p>заведующий лабораторией</p></bio><email xlink:type="simple">noemail@neicon.ru</email><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Левицкий</surname><given-names>М. М.</given-names></name><name name-style="western" xml:lang="en"><surname>Levitsky</surname><given-names>М. М.</given-names></name></name-alternatives><bio xml:lang="ru"><p>старший научный сотрудник</p></bio><email xlink:type="simple">noemail@neicon.ru</email><xref ref-type="aff" rid="aff-2"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>МИТХТ им. М.В. Ломоносова, 119571, Москва, пр-т Вернадского, д. 86</institution><country>Россия</country></aff><aff xml:lang="en"><institution>M.V. Lomonosov Moscow State University of Fine Chemical Technologies, 86, Vernadskogo pr., Moscow 119571</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>Институт элементоорганических соединений им. А.Н. Несмеянова РАН,&#13;
Москва, 119991</institution><country>Россия</country></aff><aff xml:lang="en"><institution>A.N. Nesmeyanov Institute of Organoelement Compounds of Russian Academy of Sciences, Moscow,&#13;
119991</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2013</year></pub-date><pub-date pub-type="epub"><day>28</day><month>10</month><year>2013</year></pub-date><volume>8</volume><issue>5</issue><fpage>49</fpage><lpage>54</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Dronova M.S., Bilyachenko A.N., Kirilin A.D., Shubina E.S., Levitsky М.М., 2013</copyright-statement><copyright-year>2013</copyright-year><copyright-holder xml:lang="ru">Дронова М.С., Биляченко А.Н., Кирилин А.Д., Шубина Е.С., Левицкий М.М.</copyright-holder><copyright-holder xml:lang="en">Dronova M.S., Bilyachenko A.N., Kirilin A.D., Shubina E.S., Levitsky М.М.</copyright-holder><license xml:lang="ru" license-type="creative-commons-attribution" xlink:href="https://creativecommons.org/licenses/by/4.0/" xlink:type="simple"><license-p>Данная работа распространяется под лицензией Creative Commons Attribution 4.0.</license-p></license><license xml:lang="en" license-type="creative-commons-attribution" xlink:href="https://creativecommons.org/licenses/by/4.0/" xlink:type="simple"><license-p>This work is licensed under a Creative Commons Attribution 4.0 License.</license-p></license></permissions><self-uri xlink:href="https://www.finechem-mirea.ru/jour/article/view/528">https://www.finechem-mirea.ru/jour/article/view/528</self-uri><abstract><p>Several ab initio (DFT-B3PW91/6-31g(d,p)) calculations of cage-like siloxanes (MeSiO1.5)n (n = 4-12) have been made. It was shown that cubane-like structure (MeSiO1.5)8 is the most stable one. Refined mechanism of polymeric metallasiloxanes cleavage by the silanolates has been suggested. It has been shown that isomerisation of Cu-containing siloxanes (rearrangement of sandwich-like form into globule-like form) is mostly governed by the coordination properties of solvates.</p></abstract><trans-abstract xml:lang="ru"><p>Квантово-химическими расчетами каркасных органосилсесквиоксанов показано, что наибольшей стабильностью обладает кубановая структура (MeSiO1.5)8. Проведено уточнение механизма расщепления олигомерных металлоорганосилоксанов органосиланолятами щелочных ме-таллов, предложена схема синтеза. На основании расчетов предположено, что реакции металлсодержащих силоксанов определяются координирующим влиянием растворителей.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>каркасные органосилоксаны</kwd><kwd>каркасные металлоорганосилоксаны</kwd><kwd>энтальпия образования</kwd><kwd>квантово-химические расчеты</kwd></kwd-group><kwd-group xml:lang="en"><kwd>cage-like siloxanes</kwd><kwd>cage-like metallasiloxanes</kwd><kwd>formation enthalpy</kwd><kwd>ab initio calculations.</kwd></kwd-group></article-meta></front><back><ref-list><title>References</title><ref id="cit1"><label>1</label><citation-alternatives><mixed-citation xml:lang="ru">Kudo T., Gordon M.S. theoretical studies of the mechanism for the synthesis of silsesquioxanes // J. Phys. Chem. A. 2000. V. 104. P. 4058-4063.</mixed-citation><mixed-citation xml:lang="en">Kudo T., Gordon M.S. theoretical studies of the mechanism for the synthesis of silsesquioxanes // J. Phys. Chem. A. 2000. V. 104. 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