<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" article-type="research-article" dtd-version="1.2" xml:lang="ru"><front><journal-meta><journal-id journal-id-type="publisher-id">Russian Journal of Physical Chemistry</journal-id><journal-title-group><journal-title>Russian Journal of Physical Chemistry</journal-title></journal-title-group><issn publication-format="print">0044-4537</issn><issn publication-format="electronic">3034-5537</issn><publisher><publisher-name>Russian Academy of Science</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.7868/S3034553725060092</article-id><title-group><article-title>THERMODYNAMIC MODELING OF CONDENSED PHASE COMPOSITION DURING DECOMPOSITION OF IRON(III) ACETYLACETONATE</article-title><trans-title-group xml:lang="ru"><trans-title>ТЕРМОДИНАМИЧЕСКОЕ МОДЕЛИРОВАНИЕ СОСТАВА КОНДЕНСИРОВАННЫХ ФАЗ ПРИ РАЗЛОЖЕНИИ АЦЕТИЛАЦЕТОНАТА ЖЕЛЕЗА(III)</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author"><contrib-id contrib-id-type="orcid"></contrib-id><name-alternatives><name xml:lang="en"><surname>Richter</surname><given-names>E.A.</given-names></name><name xml:lang="ru"><surname>Рихтер</surname><given-names>Э.А. </given-names></name></name-alternatives><email>e.rikhter@g.nsu.ru</email><xref ref-type="aff" rid="aff-1"></xref><xref ref-type="aff" rid="aff-2"></xref></contrib></contrib-group><aff-alternatives id="aff-1"><aff><institution xml:lang="ru">Институт неорганической химии им. А. В. Николаева Сибирского отделения РАН; Новосибирский национальный исследовательский государственный университет</institution><institution xml:lang="en">A.V. Nikolaev Institute of Inorganic Chemistry. A.V. Inorganic Chemistry Siberian Branch of RAS; Novosibirsk National Research State University</institution></aff></aff-alternatives><aff-alternatives id="aff-2"><aff><institution xml:lang="ru"></institution><institution xml:lang="en"></institution></aff></aff-alternatives><pub-date date-type="pub" iso-8601-date="2025-06-16" publication-format="electronic"><day>16</day><month>06</month><year>2025</year></pub-date><volume>99</volume><issue>6</issue><fpage>895</fpage><lpage>900</lpage><abstract xml:lang="en"><p>Thermodynamic modeling of the composition of condensed phases formed during the decomposition of the volatile precursor Fe(acac), iron (III) acetylacetonate, depending on the conditions (temperature, total pressure, amount of added oxygen) was performed. Selection and processing of initial thermodynamic data for gaseous and crystalline Fe(acac) (enthalpy and entropy of formation, temperature dependences of heat capacity) and for its sublimation process have been carried out. It is shown that the introduction of a set of consistent data on the precursor does not affect the modeling results, i.e., the initial substance is thermodynamically unstable in equilibrium with the possible components of the gas phase and the complication of the calculation model is not reasonable. The obtained diagrams can be useful for optimization of processes of chemical gas-phase deposition of materials containing iron oxide or carbide phases.</p></abstract><trans-abstract xml:lang="ru"><p>Выполнено термодинамическое моделирование состава конденсированных фаз, образующихся при разложении летучего прекурсора Fe(асас), ацетилацетоната железа (III), в зависимости от условий (температура, общее давление, количество добавляемого кислорода). Проведен отбор и обработка исходных термодинамических данных для газообразного и кристаллического Fe(асас) (энтальпия и энтропия образования, температурные зависимости теплоемкости) и для процесса его сублимации. Показано, что введение набора согласованных данных о прекурсоре не влияет на результаты моделирования, т. е. исходное вещество термодинамически нестабильно в равновесии с возможными компонентами газовой фазы и усложнение модели расчетов нецелесообразно. Полученные диаграммы могут быть полезны для оптимизации процессов химического газофазного осаждения материалов, содержащих фазы оксидов или карбида железа.</p></trans-abstract><kwd-group xml:lang="en"><kwd>ацетилацетонат железа(III) оксиды железа карбиды железа термодинамическое моделирование химическое газофазное осаждение</kwd></kwd-group><kwd-group xml:lang="ru"><kwd>ацетилацетонат железа(III) оксиды железа карбиды железа термодинамическое моделирование химическое газофазное осаждение</kwd></kwd-group></article-meta></front><body></body><back><ref-list><ref id="B1"><label>B1</label><citation-alternatives><mixed-citation xml:lang="ru">Lommelen R., Binnemans K. // ACS Omega. 2021. V.6. № 17. 6(17). P. 11355. https://doi.org/10.1021/acsomega.1c00340</mixed-citation><mixed-citation xml:lang="en"></mixed-citation></citation-alternatives></ref><ref id="B2"><label>B2</label><citation-alternatives><mixed-citation xml:lang="ru">Aikhath I.I.I., Bahamon D., Llovell F. et al. // J. Mol. 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