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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="research-article" dtd-version="1.2" xml:lang="en"><front><journal-meta><journal-id journal-id-type="publisher-id">Himičeskaâ fizika</journal-id><journal-title-group><journal-title xml:lang="en">Himičeskaâ fizika</journal-title><trans-title-group xml:lang="ru"><trans-title>Химическая физика</trans-title></trans-title-group></journal-title-group><issn publication-format="print">0207-401X</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">680950</article-id><article-id pub-id-type="doi">10.31857/S0207401X24100035</article-id><article-categories><subj-group subj-group-type="toc-heading" xml:lang="en"><subject>Kinetics and mechanism of chemical reactions, catalysis</subject></subj-group><subj-group subj-group-type="toc-heading" xml:lang="ru"><subject>Кинетика и механизм химических реакций, катализ</subject></subj-group><subj-group subj-group-type="article-type"><subject>Research Article</subject></subj-group></article-categories><title-group><article-title xml:lang="en">Reactions of fluorine atoms with benzene, fluorobenzene and chlorobenzene</article-title><trans-title-group xml:lang="ru"><trans-title>Реакции атомов фтора с бензолом, фторбензолом и хлорбензолом</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Vasiliev</surname><given-names>E. S.</given-names></name><name xml:lang="ru"><surname>Васильев</surname><given-names>Е. С.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>vasiliev@chph.ras.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Morozov</surname><given-names>I. I.</given-names></name><name xml:lang="ru"><surname>Морозов</surname><given-names>И. И.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>vasiliev@chph.ras.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Volkov</surname><given-names>N. D.</given-names></name><name xml:lang="ru"><surname>Волков</surname><given-names>Н. Д.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>vasiliev@chph.ras.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Savilov</surname><given-names>S. V.</given-names></name><name xml:lang="ru"><surname>Савилов</surname><given-names>С. В.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>vasiliev@chph.ras.ru</email><xref ref-type="aff" rid="aff2"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Morozova</surname><given-names>O. S.</given-names></name><name xml:lang="ru"><surname>Морозова</surname><given-names>О. С.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>vasiliev@chph.ras.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Butkovskaya</surname><given-names>N. I.</given-names></name><name xml:lang="ru"><surname>Бутковская</surname><given-names>Н. И.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>vasiliev@chph.ras.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Khomyakova</surname><given-names>P. S.</given-names></name><name xml:lang="ru"><surname>Хомякова</surname><given-names>П. С.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>vasiliev@chph.ras.ru</email><xref ref-type="aff" rid="aff1"/><xref ref-type="aff" rid="aff3"/></contrib></contrib-group><aff-alternatives id="aff1"><aff><institution xml:lang="en">Semenov Federal Research Center for Chemical Physics, Russian Academy of Sciences</institution></aff><aff><institution xml:lang="ru">Федеральный исследовательский центр химической физики им. Н.Н. Семёнова Российской академии наук</institution></aff></aff-alternatives><aff-alternatives id="aff2"><aff><institution xml:lang="en">Lomonosov Moscow State University</institution></aff><aff><institution xml:lang="ru">Московский государственный университет им. М.В. Ломоносова</institution></aff></aff-alternatives><aff-alternatives id="aff3"><aff><institution xml:lang="en">Mendeleev University of Chemical Technology of Russia</institution></aff><aff><institution xml:lang="ru">Российский химико-технологический университет им. Д.И. Менделеева</institution></aff></aff-alternatives><pub-date date-type="pub" iso-8601-date="2024-10-15" publication-format="electronic"><day>15</day><month>10</month><year>2024</year></pub-date><volume>43</volume><issue>10</issue><fpage>36</fpage><lpage>48</lpage><history><date date-type="received" iso-8601-date="2025-05-29"><day>29</day><month>05</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://transsyst.ru/0207-401X/article/view/680950">https://transsyst.ru/0207-401X/article/view/680950</self-uri><abstract xml:lang="en"><p>Benzene and its derivatives are extremely important substances in modern chemical technologies. However, emissions of these substances have an extremely negative impact on the atmosphere and ecology. Benzene is a substance of the second class of danger and its effect on the human body is fraught with serious consequences. In the event of man-made disasters, an urgent task is to convert benzene into less toxic substances. In this work, using a low-pressure flow reactor, the kinetic patterns of the reactions of atomic fluorine with benzene, fluorobenzene, and chlorobenzene at a temperature <italic>T</italic> = 293 K and a pressure of 0.8–1.3 Torr were established. The concentrations of reagents and products were controlled by molecular beam mass spectrometry. To determine reaction rate constants, the method of competing reactions was used. The reaction of fluorine atoms with cyclohexane was chosen as a competitor. As a result of the analysis using experimental and literature data, the following values of the rate constants of the studied reactions were obtained.</p></abstract><trans-abstract xml:lang="ru"><p>Бензол и его производные – чрезвычайно важные вещества, применяемые в современных химических технологиях. Однако выбросы этих веществ крайне негативно влияют на атмосферу и экологию. Бензол – вещество второго класса опасности, и его воздействие на организм человека чревато тяжелыми последствиями. В случае техногенных катастроф актуальной задачей является превращение бензола в менее токсичные вещества. В настоящей работе с использованием проточного реактора низкого давления установлены кинетические закономерности реакций атомарного фтора с бензолом, фторбензолом и хлорбензолом при температуре <italic>T</italic> = 293 K и давлении 0.8–1.3 Торр. Контроль концентраций реагентов и продуктов осуществлялся методом молекулярно-пучковой масс-спектрометрии. Для определения констант скорости реакций применялся метод конкурирующих реакций. В качестве конкурирующей была выбрана реакция атомов фтора с циклогексаном. В результате проведенного анализа с использованием данных эксперимента и литературных источников получены значения констант скорости исследуемых реакций.</p></trans-abstract><kwd-group xml:lang="en"><kwd>atomic fluorine</kwd><kwd>benzene</kwd><kwd>fluorobenzene</kwd><kwd>chlorobenzene</kwd><kwd>flow reactor</kwd><kwd>mass spectrometry</kwd><kwd>reaction rate constant</kwd></kwd-group><kwd-group xml:lang="ru"><kwd>атомарный фтор</kwd><kwd>бензол</kwd><kwd>фторбензол</kwd><kwd>хлорбензол</kwd><kwd>проточный реактор</kwd><kwd>масс-спектрометрия</kwd><kwd>константа скорости реакции</kwd></kwd-group><funding-group><award-group><funding-source><institution-wrap><institution xml:lang="ru">Госзадание Министерства науки и высшего образования Российской Федерации</institution></institution-wrap><institution-wrap><institution xml:lang="en">State assignment of the Ministry of Science and Higher Education of the Russian Federation</institution></institution-wrap></funding-source><award-id>122040500060-4</award-id></award-group></funding-group></article-meta></front><body></body><back><ref-list><ref id="B1"><label>1.</label><citation-alternatives><mixed-citation xml:lang="en">D. 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