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<article 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" xmlns:ali="http://www.niso.org/schemas/ali/1.0/" article-type="research-article" dtd-version="1.2" xml:lang="en"><front><journal-meta><journal-id journal-id-type="publisher-id">Russian Journal of Physical Chemistry A</journal-id><journal-title-group><journal-title xml:lang="en">Russian Journal of Physical Chemistry A</journal-title><trans-title-group xml:lang="ru"><trans-title>Журнал физической химии</trans-title></trans-title-group></journal-title-group><issn publication-format="print">0044-4537</issn><issn publication-format="electronic">3034-5537</issn><publisher><publisher-name xml:lang="en">The Russian Academy of Sciences</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="publisher-id">700477</article-id><article-id pub-id-type="doi">10.7868/S3034553725090023</article-id><article-categories><subj-group subj-group-type="toc-heading" xml:lang="en"><subject>CHEMICAL THERMODYNAMICS AND THERMOCHEMISTRY</subject></subj-group><subj-group subj-group-type="toc-heading" xml:lang="ru"><subject>ХИМИЧЕСКАЯ ТЕРМОДИНАМИКА И ТЕРМОХИМИЯ</subject></subj-group><subj-group subj-group-type="article-type"><subject>Research Article</subject></subj-group></article-categories><title-group><article-title xml:lang="en">TERMODYNAMIC EQUILIBRIA IN THE Ag-Au-Se-Te SYSTEM AT 25°C AND ATMOSPHERIC PRESSURE</article-title><trans-title-group xml:lang="ru"><trans-title>ТЕРМОДИНАМИЧЕСКИЕ РАВНОВЕСИЯ В СИСТЕМЕ Ag-Au-Se-Te ПРИ 25°C И АТМОСФЕРНОМ ДАВЛЕНИИ</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Eremin</surname><given-names>O. V</given-names></name><name xml:lang="ru"><surname>Еремин</surname><given-names>О. В</given-names></name></name-alternatives><email>yeroleg@yandex.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Yurgenson</surname><given-names>G. A</given-names></name><name xml:lang="ru"><surname>Юргенсон</surname><given-names>Г. А</given-names></name></name-alternatives><email>-</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Epova</surname><given-names>E. S</given-names></name><name xml:lang="ru"><surname>Эпова</surname><given-names>Е. С</given-names></name></name-alternatives><email>-</email><xref ref-type="aff" rid="aff1"/></contrib></contrib-group><aff-alternatives id="aff1"><aff><institution xml:lang="en">Russian Academy of Sciences, Siberian Branch, Institute of Natural Resources, Ecology and Cryology</institution></aff><aff><institution xml:lang="ru">Институт природных ресурсов, экологии и криологии РАН</institution></aff></aff-alternatives><pub-date date-type="pub" iso-8601-date="2025-09-15" publication-format="electronic"><day>15</day><month>09</month><year>2025</year></pub-date><volume>99</volume><issue>9</issue><issue-title xml:lang="en">VOL 99, NO9 (2025)</issue-title><issue-title xml:lang="ru">ТОМ 99, №9 (2025)</issue-title><fpage>1293</fpage><lpage>1296</lpage><history><date date-type="received" iso-8601-date="2026-01-08"><day>08</day><month>01</month><year>2026</year></date></history><permissions><copyright-statement xml:lang="en">Copyright ©; 2025, Russian Academy of Sciences</copyright-statement><copyright-statement xml:lang="ru">Copyright ©; 2025, Российская академия наук</copyright-statement><copyright-year>2025</copyright-year><copyright-holder xml:lang="en">Russian Academy of Sciences</copyright-holder><copyright-holder xml:lang="ru">Российская академия наук</copyright-holder></permissions><self-uri xlink:href="https://journals.eco-vector.com/0044-4537/article/view/700477">https://journals.eco-vector.com/0044-4537/article/view/700477</self-uri><abstract xml:lang="en"><p>The values of the standard Gibbs energies of formation for minerals of the Ag-Au-Se-Te system have been calculated using additive elemental contributions. Calculations of the thermodynamic equilibria of the system under consideration at the initial state of one mole of noble metals and variable chalcogen contents at 25°C and atmospheric pressure were carried out in the “Selector” program complex (PC). The simulation results showed that silver is more actively involved in the composition of minerals than gold. At certain concentrations of selenium and tellurium, noble metals do not form native forms.</p></abstract><trans-abstract xml:lang="ru"><p>Для минералов системы Ag-Au-Se-Te рассчитаны величины стандартных энергий Гиббса образования с использованием аддитивных элементных вкладов. В программном комплексе (ПК) “Селектор” проведены расчеты термодинамических равновесий рассматриваемой системы при начальном состоянии по одному моль благородных металлов и переменных содержаниях халькогенов при 25°C и атмосферном давлении. Результаты моделирования показали, что серебро активнее, чем золото включается в составы минералов. При определенных содержаниях селена и теллура благородные металлы не образуют самородных форм.</p></trans-abstract><kwd-group xml:lang="en"><kwd>Tellurides and selenides of silver and gold</kwd><kwd>PC “Selector”</kwd><kwd>physicochemical modeling</kwd></kwd-group><kwd-group xml:lang="ru"><kwd>теллуриды и селениды серебра и золота</kwd><kwd>ПК “Селектор”</kwd><kwd>физико-химическое моделирование</kwd></kwd-group><funding-group><funding-statement xml:lang="ru">Работа выполнена в соответствии с госзаданием по теме № FUFR-2021-2025.</funding-statement></funding-group></article-meta></front><body></body><back><ref-list><ref id="B1"><label>1.</label><mixed-citation>Voudouris P.C., Vasilios M., Spry P.G., et al. // Miner. Petrol. 2011. V. 103. P. 79.</mixed-citation></ref><ref id="B2"><label>2.</label><mixed-citation>Tolstykh N., Kasatkin A., Nestola F. // Mineral. Mag. 2023. V. 87(2). 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