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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">phmath</journal-id><journal-title-group><journal-title xml:lang="ru">Вестник Государственного университета просвещения. Серия: Физика-Математика</journal-title><trans-title-group xml:lang="en"><trans-title>Bulletin of Federal State University of Education. Series: Physics and Mathematics</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">2949-5083</issn><issn pub-type="epub">2949-5067</issn><publisher><publisher-name>Federal State University of Education</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.18384/2949-5067-2026-1-6-15</article-id><article-id custom-type="elpub" pub-id-type="custom">phmath-755</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>ФИЗИКА</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>PHYSICS</subject></subj-group></article-categories><title-group><article-title>Ян-Теллеровский эффект в металлофталоцианинах как управляющий параметр структурных и электронных свойств</article-title><trans-title-group xml:lang="en"><trans-title>Jahn–Teller effect as a controlling parameter of structural and electronic properties</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-2323-9706</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Сунегин</surname><given-names>Д. Е.</given-names></name><name name-style="western" xml:lang="en"><surname>Sunegin</surname><given-names>D. E.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Сунегин Дмитрий Евгеньевич – аспирант физико-математического факультета</p><p>Москва</p></bio><bio xml:lang="en"><p>Dmitry E. Sunegin – Postgraduate Student, Faculty of Physics and Mathematics</p><p>Moscow</p></bio><email xlink:type="simple">Sunegen.D@mail.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-0553-9358</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Беляев</surname><given-names>В. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Belyaev</surname><given-names>V. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Беляев Виктор Васильевич – доктор технических наук, профессор, главный научный сотрудник отдела организации научных исследований и международных связей управления развития науки, профессор кафедры фундаментальной физики и нанотехнологии; профессор нанотехнологий и микросистемной техники</p><p>Москва</p></bio><bio xml:lang="en"><p>Victor V. Belyaev  – Dr. Sci. (Engineering), Prof., Principal Scientist, Science Development Department,  Prof., Department of Fundamental Physics and Nanotechnology; Prof., Department of Nanotechnologies and Microsystem Technology</p><p>Moscow</p></bio><email xlink:type="simple">vv.belyaev@guppros.ru</email><xref ref-type="aff" rid="aff-2"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Государственный университет просвещения</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Federal State University of Education</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>Государственный университет просвещения; Российский университет дружбы народов имени Патриса Лумумбы</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Federal State University of Education; People’s Friendship University of Russia named after Patrice Lumumba</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2026</year></pub-date><pub-date pub-type="epub"><day>24</day><month>07</month><year>2026</year></pub-date><volume>0</volume><issue>1</issue><fpage>6</fpage><lpage>15</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Сунегин Д.Е., Беляев В.В., 2026</copyright-statement><copyright-year>2026</copyright-year><copyright-holder xml:lang="ru">Сунегин Д.Е., Беляев В.В.</copyright-holder><copyright-holder xml:lang="en">Sunegin D.E., Belyaev V.V.</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://www.physmathmgou.ru/jour/article/view/755">https://www.physmathmgou.ru/jour/article/view/755</self-uri><abstract><sec><title>Цель</title><p>Цель: систематизировать экспериментальные и теоретические данные о ян–теллеровском эффекте в металлофталоцианинах (MPc) и выявить его роль как универсального управляющего параметра структурных, электронных и магнитных свойств.</p></sec><sec><title>Процедура и методы</title><p>Процедура и методы. Проведён анализ результатов, полученных методами рентгеноструктурного анализа, электронной дифракции, сканирующей туннельной микроскопии, рамановской спектроскопии, электронного парамагнитного резонанса и расчётов функционала плотности. Обобщены экспериментальные и теоретические данные из международных источников.</p></sec><sec><title>Результаты</title><p>Результаты. Показано, что образование анион-радикалов [MPc]⁻ вызывает ян – теллеровскую деформацию макроцикла с амплитудой Rдист ≈ 0.03–0.07 Å. Установлены прямые корреляции между амплитудой деформации и: (1) энергией активации электротранспорта, (2) подвижностью носителей заряда, (3) селективностью в электрокатализе CO₂/CO. Потенциал-индуцированная ян – теллеровская деформация центра CoN₄ изменяет механизм адсорбции CO (линейная (linear) 0.52 эВ → мостиковая (bridge) 1.80 эВ), обеспечивая управление каталитической селективностью без химического изменения молекулы.</p><p>Теоретическая и практическая значимость. Сформирована концепция ян – теллеровского эффекта как фундаментального механизма функциональности MPc. Предложены методы целенаправленного управления структурными и электронными свойствами через электрохимический потенциал, допирование или фторирование. Определены некоторые пробелы и рекомендованы методологические подходы для их разрешения.</p></sec></abstract><trans-abstract xml:lang="en"><sec><title>Aim</title><p>Aim: to systematize experimental and theoretical data on the Jahn–Teller effect in metallophthalocyanines (MPc) and identify its role as a universal controlling parameter of structural, electronic, and magnetic properties.</p></sec><sec><title>Methodology</title><p>Methodology. Results obtained by X–ray diffraction, electron diffraction, scanning tunneling microscopy, Raman spectroscopy, electron paramagnetic resonance, and density functional theory calculations were analyzed. Experimental and theoretical data from international sources are summarized.</p></sec><sec><title>Results</title><p>Results. It is shown that the formation of [MPc]⁻ anion radicals causes Jahn–Teller deformation of the macrocycle with an amplitude of Rdist ≈ 0.03–0.07 Å. Direct correlations are established between the deformation amplitude and: (1) the activation energy of electrotransport, (2) the mobility of charge carriers, and (3) the selectivity in CO₂/CO electrocatalysis. Potential–induced Jahn–Teller deformation of the CoN₄ center changes the CO adsorption mechanism (linear 0.52 eV → bridge 1.80 eV), providing control of catalytic selectivity without chemical modification of the molecule.</p></sec><sec><title>Research implications</title><p>Research implications. The concept of the Jahn–Teller effect as a fundamental mechanism of MPc functionality is formulated. Methods for targeted control of the structural and electronic properties through electrochemical potential, doping, or fluorination are proposed. Several gaps are identified, and methodological approaches to address them are recommended.</p></sec></trans-abstract><kwd-group xml:lang="ru"><kwd>металлофталоцианины</kwd><kwd>органическая электроника</kwd><kwd>электрокатализ</kwd><kwd>электротранспорт</kwd><kwd>ян – теллеровский эффект</kwd></kwd-group><kwd-group xml:lang="en"><kwd>metal phthalocyanines</kwd><kwd>organic electronics</kwd><kwd>electrocatalysis</kwd><kwd>electrotransport</kwd><kwd>Jahn–Teller effect</kwd></kwd-group><funding-group><funding-statement xml:lang="ru">Работа выполнена по совместному российско-индийскому проекту: грант РНФ № 25-49-01022 «Новые нанокомпозитные материалы с дискотическими жидкими кристаллами и наночастицами для высокоэффективных оптоэлектронных и электрооптических устройств», https://rscf.ru/project/25-49-01022.</funding-statement><funding-statement xml:lang="en">This research was fully supported by a joint Russia-India grant: the Russian Science Foundation, project No. RSF No. 25-49-01022. https://rscf.ru/project/25-49-01022.</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">Gottfried J. 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