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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-671</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>Non-empirical calculations of minimal energetic ways of addition of H2F2 and H2Cl2 molecules to acetylene and methylacetylene molecules</article-title><trans-title-group xml:lang="ru"><trans-title>Неэмпирические расчеты минимальных энергетических путей реакций присоединения молекул H2F2 и H2Cl2 к молекулам ацетилена и метилацетилена</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>Кириллов</surname><given-names>Ю. Б.</given-names></name><name name-style="western" xml:lang="en"><surname>Kirillov</surname><given-names>Yu. B.</given-names></name></name-alternatives><email xlink:type="simple">fizhim@mitht.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>Клименко</surname><given-names>Н. М.</given-names></name><name name-style="western" xml:lang="en"><surname>Klimenko</surname><given-names>N. M.</given-names></name></name-alternatives><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>Тёмкин</surname><given-names>О. Н.</given-names></name><name name-style="western" xml:lang="en"><surname>Temkin</surname><given-names>O. N.</given-names></name></name-alternatives><email xlink:type="simple">noemail@neicon.ru</email><xref ref-type="aff" rid="aff-1"/></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><pub-date pub-type="collection"><year>2012</year></pub-date><pub-date pub-type="epub"><day>28</day><month>12</month><year>2012</year></pub-date><volume>7</volume><issue>6</issue><fpage>32</fpage><lpage>40</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Kirillov Y.B., Klimenko N.M., Temkin O.N., 2012</copyright-statement><copyright-year>2012</copyright-year><copyright-holder xml:lang="ru">Кириллов Ю.Б., Клименко Н.М., Тёмкин О.Н.</copyright-holder><copyright-holder xml:lang="en">Kirillov Y.B., Klimenko N.M., Temkin O.N.</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/671">https://www.finechem-mirea.ru/jour/article/view/671</self-uri><abstract><p>Surfaces of potential energy of gas phase addition reactions of H2F2 and H2Cl2 molecules to acetylene and methyl acetylene molecules were examined. An ab initio calculation of H2F2 and H2Cl2 molecules was carried out. A non-empirical Hartree-Fock-Roothaan method, 6-31 ++G** basis, taking into account electronic correlation in MP2 approximation (Møller-Plesset 2nd order) and Gaussian–03 software were used. Reaction heats and activation energies were calculated. It was established that addition of H2F2 and H2Cl2 molecules to a methyl acetylene molecule according to Markovnikov’s rule with the formation of 2-fluoropropene and HF and 2-chloropropene and HCl respectively is more advantageous both kinetically and thermodynamically.</p></abstract><trans-abstract xml:lang="ru"><p>Исследованы поверхности потенциальной энергии газофазных реакций присоединения молекул H2 F2  и H2 Cl2 к молекулам ацетилена и метилацетилена. Проведен ab initio расчет молекул H2 F2  и H2 Cl2..  Использованы неэмпирический метод Хартри-Фока-Рутана, базис 6-31++ G ** с учетом электронной корреляции в приближении МП2 (Меллера-Плессета 2-го порядка), программа Gaussian -03. Рассчитаны теплоты и энергии активации реакций. Установлено, что как кинетически, так и термодинамически более выгодно присоединение молекул H2 F2  и H2 Cl2  к молекуле метилацетилена по правилу Марковникова с образованием 2-фторпропена и HF и соответственно 2-хлорпропена и HCl .</p></trans-abstract><kwd-group xml:lang="ru"><kwd>газофазные реакции</kwd><kwd>электрофил</kwd><kwd>нуклеофил</kwd><kwd>ацетилен</kwd><kwd>метилацетилен</kwd><kwd>алкины</kwd><kwd>димер H2F2</kwd><kwd>димер H2Cl2</kwd><kwd>неэмпирический метод Хартри-Фока-Рутана</kwd><kwd>Gaussian-03</kwd><kwd>электронная корреляция</kwd><kwd>правило Марковникова</kwd><kwd>мезомерный эффект</kwd><kwd>переходное состояние</kwd><kwd>теплота реакции</kwd><kwd>энергия активации</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">Сергеев Г.Б., Левенсон Н.А., Тюрина Л.А. Инверсия селективности и механизм гидро-бромирования олефинов в неполярных средах // Докл. 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