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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-418</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>ВЛИЯНИЕ ВЕКТОРНЫХ КОРРЕЛЯЦИЙ ПРИ ВРАЩАТЕЛЬНО-ПОСТУПАТЕЛЬНОМ ОБМЕНЕ НА ОПТИЧЕСКУЮ АНИЗОТРОПИЮ МОЛЕКУЛЯРНЫХ КОМПЛЕКСОВ В ГАЗАХ</article-title><trans-title-group xml:lang="en"><trans-title>EFFECT OF VECTOR CORRELATIONS IN ROTATIONAL-TRANSLATIONAL EXCHANGE ON THE OPTICAL ANISOTROPY OF MOLECULAR COMPLEXES IN THE GAS</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>Блохин</surname><given-names>А. П.</given-names></name><name name-style="western" xml:lang="en"><surname>Blokhin</surname><given-names>A. P.</given-names></name></name-alternatives><email xlink:type="simple">lsfm@imaph.bas-net.by</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>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><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>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>2018</year></pub-date><pub-date pub-type="epub"><day>10</day><month>03</month><year>2020</year></pub-date><volume>85</volume><issue>6</issue><fpage>879</fpage><lpage>885</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Блохин А.П., Толкачёв В.А., 2020</copyright-statement><copyright-year>2020</copyright-year><copyright-holder xml:lang="ru">Блохин А.П., Толкачёв В.А.</copyright-holder><copyright-holder xml:lang="en">Blokhin A.P., 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/418">https://zhps.ejournal.by/jour/article/view/418</self-uri><abstract><p>Разработана модель образования вращательно-неравновесных ансамблей молекулярных комплексов в газовой фазе с учетом векторной динамики поступательно-вращательного обмена и его проявления в анизотропии поглощения и испускания света. На основе предложенной модели рассчитана оптическая анизотропия ансамбля молекулярных комплексов в зависимости от изменения парциальных угловых моментов и соотношения моментов инерции исходных фрагментов и образующихся комплексов. Показано, что рост величины дополнительного углового момента за счет индуцированных при вращательно-поступательном обмене моментов может вызывать как уменьшение, так и увеличение анизотропии в зависимости от формы эллипсоидов инерции комплексов.</p></abstract><trans-abstract xml:lang="en"><p>A model of the formation of rotationally nonequilibrium ensembles of molecular complexes in the gas phase is developed taking into account the vector dynamics of translational-rotational exchange and its manifestation in the anisotropy of light absorption and emission. On the basis of the proposed model, the optical anisotropy of the ensemble of molecular complexes is calculated depending on the magnitude of the change in partial angular moments and the ratio of the moments of inertia of the initial fragments and the resulting complexes. It is shown that the increase in the value of the additional angular momentum, due to the moments induced during the rotational-translational exchange, can cause both a decrease in anisotropy and its increase depending on the shape of the ellipsoids of inertia of the complexes.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>молекулярные комплексы</kwd><kwd>вращательно-поступательный обмен</kwd><kwd>анизотропия поглощения и испускания светa</kwd><kwd>динамика молекулярного вращения</kwd><kwd>molecular complexes</kwd><kwd>rotational-translational exchange</kwd><kwd>anisotropy of light absorption and emission</kwd><kwd>dynamics of molecular rotation</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">T. Nagata, T. Kondow, R. Zare. Mol. Phys., 70 (1990) 1158-1162</mixed-citation><mixed-citation xml:lang="en">T. Nagata, T. Kondow, R. Zare. Mol. 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