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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-651</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>ОПРЕДЕЛЕНИЕ ЧАСТОТЫ ЧИСТО ЭЛЕКТРОННОГО ПЕРЕХОДА ИЗ СПЕКТРОВ ОПТИЧЕСКОЙ АКТИВНОСТИ</article-title><trans-title-group xml:lang="en"><trans-title>DETERMINING THE FREQUENCY OF A PURE-ELECTRONIC TRANSITION FROM OPTICAL ACTIVITY SPECTRA</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>Толкачёв</surname><given-names>В. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Tolkachev</surname><given-names>V. A.</given-names></name></name-alternatives><bio xml:lang="ru"/><bio xml:lang="en"/><email xlink:type="simple">tolkachev@ifanbel.bas-net.by</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Институт физики НАН Беларуси</institution></aff><aff xml:lang="en"><institution>B. I. Stepanov Institute of Physics, National Academy of Sciences of Belarus</institution></aff></aff-alternatives><pub-date pub-type="collection"><year>2020</year></pub-date><pub-date pub-type="epub"><day>30</day><month>06</month><year>2020</year></pub-date><volume>87</volume><issue>3</issue><fpage>499</fpage><lpage>504</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Толкачёв В.А., 2020</copyright-statement><copyright-year>2020</copyright-year><copyright-holder xml:lang="ru">Толкачёв В.А.</copyright-holder><copyright-holder xml:lang="en">Tolkachev V.A.</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/651">https://zhps.ejournal.by/jour/article/view/651</self-uri><abstract><p>Показана возможность определения частоты чисто электронного перехода из спектров циркулярного дихроизма, циркулярно поляризованной люминесценции, магнитоиндуцированной оптической активности, а также спектральных зависимостей коэффициентов диссимметрии циркулярного дихроизма. Приведены примеры такого определения на экспериментально измеренных спектрах молекулярного оптического вращения в поглощении и испускании. Показано, что частота чисто электронного перехода в спектральных зависимостях коэффициентов диссимметрии может индицироваться их экстремумом. Как и в диффузных линейных вибронных спектрах, частоты чисто электронного перехода не соответствуют максимумам спектров.</p></abstract><trans-abstract xml:lang="en"><p>The possibility to obtain the frequency of a pure-electronic transition from the spectra of circular dichroism, circularly polarized fluorescence, magnetically induced chirooptical spectra, as well as the spectra of the dissymmetry factors of dichroism is shown. Examples are presented of such determination from the experimentally measured spectra of molecular optical rotation in absorption and emission. It is shown that the frequency of a pure-electronic transition in the dissymmetry factor spectra can be indicated by their extremum. As in diffuse linear vibronic spectra, the pure-electronic transition frequencies do not correspond to the maxima of the spectra.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>хирооптическая спектроскопия</kwd><kwd>частота электронного перехода</kwd><kwd>циркулярный дихроизм</kwd><kwd>циркулярно поляризованная люминесценция</kwd><kwd>фактор диссимметрии</kwd></kwd-group><kwd-group xml:lang="en"><kwd>chirooptical spectroscopy</kwd><kwd>pure-electronic transition frequency</kwd><kwd>circular dichroism</kwd><kwd>circularly polarized fluorescence</kwd><kwd>dissymmetry factor</kwd></kwd-group><funding-group><funding-statement xml:lang="ru">Автор выражает признательность Белорусскому фонду фундаментальных исследований за поддержку работы.</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">В. А. Толкачёв. Журн. прикл. спектр., 84, № 4 (2017) 648—654 [V. A. 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