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The reaction of Cu2SnSe3 (high-temperature polymorphic modification of cubic symmetry) synthesis from the elements was studied in a vacuum block calorimeter. The paper presents the results of determination of the standard enthalpy of Cu2SnSe3 formation: Δ _fH_298.15⁰ (Cu2SnSe3, cub) = –(244.8 ± 6.9) kJ mol–1.
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Brichkina et al. (2026) studied this question.
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