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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-829</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>Частота чисто электронного перехода из магнитоиндуцированных диффузных вибронных спектров</article-title><trans-title-group xml:lang="en"><trans-title>The Purely Electronic Transition Frequency from Magnetically Induced Diffuse Vibronic 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"><p>220072, Минск.</p></bio><bio xml:lang="en"><p>Minsk, 220072.</p></bio><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 of the National Academy of Sciences of Belarus</institution></aff></aff-alternatives><pub-date pub-type="collection"><year>2021</year></pub-date><pub-date pub-type="epub"><day>29</day><month>05</month><year>2021</year></pub-date><volume>88</volume><issue>3</issue><fpage>471</fpage><lpage>477</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Толкачёв В.А., 2021</copyright-statement><copyright-year>2021</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/829">https://zhps.ejournal.by/jour/article/view/829</self-uri><abstract><p>Показано, что из диффузных электронно-колебательных (вибронных) спектров поглощения и испускания магнитоиндуцированной оптической активности (МОА) при тепловом равновесии исходных в переходе состояний определяется среднее расстояние между комбинирующими электронными состояниями, в том числе при магнитоиндуцированной циркулярной люминесценции. Оно существенно отличается от среднего расстояния между комбинирующими в переходах вибронными состояниями. Различие механизмов перехода отражается в различии не только спектров, но и чисто электронных переходов МОА. Неоднородность ансамблей молекулярных хромофоров МОА качественно проявляется в спектрах МОА размытием индикации чисто электронного перехода.</p></abstract><trans-abstract xml:lang="en"><p>It is shown that the average distance between the combining electronic states, including ones under magnetically induced circular luminescence, is determined from the diffuse electron-vibrational (vibronic) absorption and emission spectra of the magnetically induced optical activity (MOA) at the thermal equilibrium of the initial states in the transition. It differs significantly from the average distance between the vibronic states combining in the transitions. The difference in the transition mechanisms is reflected in the difference not only in the spectra, but also in the purely electronic transitions of the MOA. The heterogeneity of the ensembles of MOA molecular chromophores is qualitatively manifested in the MOA spectra by the blurring of the indication of a purely electronic transition.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>магнитоиндуцированная оптическая активность</kwd><kwd>магнитоиндуцированная флуоресценция</kwd><kwd>чисто электронный переход</kwd><kwd>диффузный вибронный спектр</kwd><kwd>неоднородность хромофоров оптической активности</kwd></kwd-group><kwd-group xml:lang="en"><kwd>magnetically induced optical activity</kwd><kwd>magnetically induced fluorescence</kwd><kwd>pure electronic transition</kwd><kwd>diffuse vibronic spectrum</kwd><kwd>inhomogeneity of chromophores of optical activity</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. 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