Abstract—

We have for the first time determined the temperature dependence of heat capacity for aurostibite, AuSb₂, by adiabatic calorimetry and calculated its standard thermodynamic functions in a wide temperature range. At a temperature of 298.15 K, we have obtained \(C_{p}^{^\circ }\) = 76.01 ± 0.15 J/(mol K), S° = 133.4 ± 0.3 J/(mol K), Н°(298.15 K) − Н°(0)= 17.39 ± 0.03 kJ/mol, and Ф° = 75.02 ± 0.15 J/(mol K). Using previously reported data and the present results, we have found Δ_fG°(298.15) = −11.36 ± 0.90 kJ/mol.

中文翻译：

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AuSb 2的热力学性质

摘要-

我们已经首次通过绝热量热法确定了金刚铁锭AuSb ₂的热容量对温度的依赖性，并在较宽的温度范围内计算了其标准热力学函数。在298.15 K的温度下，我们获得\（C_ {p} ^ {^ \ circ} \） = 76.01±0.15 J /（mol K），S °= 133.4±0.3 J /（mol K），Н ° （298.15 K）-Н °（0）= 17.39±0.03 kJ / mol，Ф°= 75.02±0.15 J /（mol K）。使用先前报告的数据和当前结果，我们发现_Δf G °（298.15）= -11.36±0.90 kJ / mol。