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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="ru"><front><journal-meta><journal-id journal-id-type="publisher-id">zhps</journal-id><journal-title-group><journal-title xml:lang="ru">Журнал прикладной спектроскопии</journal-title><trans-title-group xml:lang="en"><trans-title>Zhurnal Prikladnoii Spektroskopii</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">0514-7506</issn><publisher><publisher-name>B. I. Stepanov Institute of Physics of the National Academy of Sciences</publisher-name></publisher></journal-meta><article-meta><article-id custom-type="elpub" pub-id-type="custom">zhps-506</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="ru"><subject>Статьи</subject></subj-group></article-categories><title-group><article-title>ТЕРМОХРОМИЗМ РАСТВОРОВ КОРРОЛОВ В ЭТАНОЛЕ</article-title><trans-title-group xml:lang="en"><trans-title>THERMOCHROMISM OF CORROLE SOLUTIONS IN ETHANOL</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>Аджиб</surname><given-names>Ю. Х.</given-names></name><name name-style="western" xml:lang="en"><surname>Ajeeb</surname><given-names>Y. H.</given-names></name></name-alternatives><bio xml:lang="ru"><p>14-695, Бейрут, Ливан;</p><p>220006, Минск, ул. Свердлова, 13а, Беларусь</p></bio><bio xml:lang="en"><p>Beirut, PO Box 14-695, Lebanon;</p><p>13а Sverdlov Str., Minsk, 220006, Belarus</p></bio><email xlink:type="simple">youssef.ajeeb@aul.edu.lb</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>Минченя</surname><given-names>А. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Minchenya</surname><given-names>A. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>220006, Минск, ул. Свердлова, 13а</p></bio><bio xml:lang="en"><p>13а Sverdlov Str., Minsk, 220006</p></bio><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Климович</surname><given-names>П. Г.</given-names></name><name name-style="western" xml:lang="en"><surname>Klimovich</surname><given-names>P. G.</given-names></name></name-alternatives><bio xml:lang="ru"><p>220006, Минск, ул. Свердлова, 13а</p></bio><bio xml:lang="en"><p>13а Sverdlov Str., Minsk, 220006</p></bio><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Маес</surname><given-names>В.</given-names></name><name name-style="western" xml:lang="en"><surname>Maes</surname><given-names>W.</given-names></name></name-alternatives><bio xml:lang="ru"><p>B-3590, Дипенбек</p></bio><bio xml:lang="en"><p>Diepenbeek, B-3590</p></bio><email xlink:type="simple">wouter.maes@uhasselt.be</email><xref ref-type="aff" rid="aff-3"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Крук</surname><given-names>Н. Н.</given-names></name><name name-style="western" xml:lang="en"><surname>Kruk</surname><given-names>M. M.</given-names></name></name-alternatives><bio xml:lang="ru"><p>220006, Минск, ул. Свердлова, 13а</p></bio><bio xml:lang="en"><p>13а Sverdlov Str., Minsk, 220006</p></bio><email xlink:type="simple">m.kruk@belstu.by</email><xref ref-type="aff" rid="aff-2"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Университет искусства, наук и технологий Ливана; Белорусский государственный технологический университет</institution></aff><aff xml:lang="en"><institution>Art, Sciences&amp;Technology University in Lebanon; Belarusian State Technological University</institution></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>Белорусский государственный технологический университет</institution></aff><aff xml:lang="en"><institution>Belarusian State Technological University</institution></aff></aff-alternatives><aff-alternatives id="aff-3"><aff xml:lang="ru"><institution>Институт исследования материалов, Университет Хассельта</institution></aff><aff xml:lang="en"><institution>Institute for Materials Research (IMO-IMOMEC), Hasselt University</institution></aff></aff-alternatives><pub-date pub-type="collection"><year>2019</year></pub-date><pub-date pub-type="epub"><day>18</day><month>03</month><year>2020</year></pub-date><volume>86</volume><issue>5</issue><fpage>697</fpage><lpage>704</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Аджиб Ю.Х., Минченя А.А., Климович П.Г., Маес В., Крук Н.Н., 2020</copyright-statement><copyright-year>2020</copyright-year><copyright-holder xml:lang="ru">Аджиб Ю.Х., Минченя А.А., Климович П.Г., Маес В., Крук Н.Н.</copyright-holder><copyright-holder xml:lang="en">Ajeeb Y.H., Minchenya A.A., Klimovich P.G., Maes W., Kruk M.M.</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://zhps.ejournal.by/jour/article/view/506">https://zhps.ejournal.by/jour/article/view/506</self-uri><abstract><p>Исследована температурная зависимость электронных спектров поглощения растворов семейства 5,10,15-триарилкорролов в этаноле в интервале температур 288—328 К. Обнаружено, что в этаноле молекулы корролов находятся в виде смеси свободного основания и депротонированной формы, соотношение которых определяется донорно-акцепторными свойствами периферических заместителей. Установлено, что рост температуры приводит к депротонированию молекул свободных оснований корролов. Процесс депротонирования подчиняется уравнению Вант-Гоффа с энергией активации Еа = 2.0 ккал/моль, которая в пределах ошибки измерений оказалась одинаковой для всех исследуемых соединений. Предположено, что температура влияет на процесс депротонирования опосредованно, изменяя величину диэлектрической проницаемости этанола. Снижение диэлектрической проницаемости с ростом температуры смещает кислотно-основное равновесие в сторону образования депротонированной формы.</p></abstract><trans-abstract xml:lang="en"><p>The temperature dependence of the electronic absorption spectra of the 5,10,15-triarylcorrole family solutions in ethanol was studied in the temperature range 288—328 K. Corrole molecules in ethanol was found to be as a mixture of the free base and deprotonated forms, with their proportion determined by donating-accepting properties of peripheral substituents. It was established that temperature rise leads to the deprotonation of the free base molecules. Deprotonation process is governed by Van’t Hoff equation with activation energy Еа = 2.0 kcal/mol, which was found to be the same for all the studied compounds within the experimental error. It was supposed that temperature influences deprotonation indirectly, by adjusting the dielectric constant of ethanol. Decrease in the dielectric constant with temperature rise shifts the acidbase equilibrium to the formation of the deprotonated form.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>свободное основание коррола</kwd><kwd>кислотно-основные равновесия</kwd><kwd>энергия активации</kwd><kwd>термохромизм</kwd></kwd-group><kwd-group xml:lang="en"><kwd>free base corrole</kwd><kwd>acid-base equlibria</kwd><kwd>activation energy</kwd><kwd>thermochromism</kwd></kwd-group><funding-group><funding-statement xml:lang="ru">Работа выполнена при финансовой поддержке Государственной программы научных исследований “Фотоника, опто- и микроэлектроника” (задание 1.3.01).</funding-statement></funding-group></article-meta></front><back><ref-list><title>References</title><ref id="cit1"><label>1</label><citation-alternatives><mixed-citation xml:lang="ru">H. R. Harrison, O. J. R. Hodder, D. C. Hodgkin. J. Chem. Soc. (B) (1971) 640—645</mixed-citation><mixed-citation xml:lang="en">H. R. Harrison, O. J. R. 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