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Citation: ZHU Li, YANG Xu-Wu, JIAO Bao-Juan, SHUAI Qi, GAO Sheng-Li, SHI Qi-Zhen. Thermochemical Properties of Ternary Complex Er(Et₂dtc)₃(phen)[J]. Chinese Journal of Applied Chemistry, ;2004, 21(12): 1211-1216. shu

Thermochemical Properties of Ternary Complex Er(Et₂dtc)₃(phen)

1.
Shaanxi Provincial Key Laboratory of Physico-Inorganic Chemistry, Department of Chemistry, Northwest University, Xi'an 710069

Corresponding author: GAO Sheng-Li,
Received Date: 22 December 2003
Available Online: 30 June 2004
Fund Project: 国家自然科学基金(20171036) (20171036)陕西省教育厅专项基金(01JK229)资助项目 (01JK229)

The ternary solid complex Er(Et₂dtc)₃(phen) was synthesized from sodium diethyldithiocarbamate (NaEt₂dtc), 1,10-phenanthroline(o-phen) and hydrated terbium chloride in absolute ethanol. The general formula of the complex was determined by chemical and elemental analyses. The IR spectrum of the complex shows that the Er³⁺ is coordinated with the sulfur atoms of NaEt₂dtc and the nitrogen atoms of o-phen. The enthalpy change in the liquid-phase formation reaction of the complex, Δ_rH_m^θ(l), was determined by means of a microcalorimeter to be (-13.857±0.096) kJ/mol at 298.15 K. The enthalpy change in the solid-phase formation reaction, Δ_rH_m^θ(s), was calculated to be (119.662±0.695) kJ/mol. The thermodynamic and kinetic parameters of the liquid-phase formation reaction of the complex were obtained. The constant-volumetric combustion energy of the complex Δ_cU was determined to be (-18 436.62±9.11) kJ/mol at 298.15 K. Its standard enthalpy of combustion Δ_cH_m^θ and standard enthalpy of formation Δ_fH_m^θ were calculated to be (-18 455.83±9.11) kJ/mol and (-329.48±9.91) kJ/mol, respectively.
- Er(Et₂dtc)₃(phen),
- microcalorimetry,
- thermodynamics,
- constant-volumetric combustion energy,
- standard formation molar enthalpy
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Thermochemical Properties of Ternary Complex Er(Et₂dtc)₃(phen)