[Co(NH3)6][Co(C2O4)3]·3H2O和[Ir(NH3)6][Ir(C2O4)3]的合成及热性能研究

E. Filatov, V. Lagunova, Ilia Kochetygov, P. Plyusnin, N. Kuratieva, G. Kostina, S. Koreneva
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引用次数: 1

摘要

已合成了[Co(NH3)6][Ir(C2O4)3]和[Ir(NH3)6][Co(C2O4)3]·H2O配合物,并对其热性能进行了研究。本文考虑的[Ir(NH3)6][Ir(C2O4)3]和[Co(NH3)6][Co(C2O4)3]·3H2O配合物是基于Co-Ir体系中配合盐的一系列可能的同构固溶体的端元。详细描述了它们的晶体结构和热性能,包括与温度相关的原位x射线衍射。在这些化合物的热裂解过程中,形成层状的金属纳米颗粒。重点介绍了[Co(NH3)6][Ir(C2O4)3]的合成过程。已经证明,这种复合盐的形成与温度有关;加热后形成新的相K3[Co(NH3)6][Ir(C2O4)3]2·6H2O盐,将初始的铱化合物融入到双配合盐的晶体结构中。在室温下进行合成,得到目标产物[Co(NH3)6][Ir(C2O4)3]。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Synthesis and investigation of the thermal properties of [Co(NH3)6][Co(C2O4)3]·3H2O and [Ir(NH3)6][Ir(C2O4)3].
The complexes [Co(NH3)6][Ir(C2O4)3] and [Ir(NH3)6][Co(C2O4)3]·H2O have previously been synthesized and their thermal properties studied. The [Ir(NH3)6][Ir(C2O4)3] and [Co(NH3)6][Co(C2O4)3]·3H2O complexes considered here are the end members in a series of possible isostructural solid solutions based on the complex salts in the Co-Ir system. Their crystal structures and thermal properties are described in detail, including temperature-dependent in situ X-ray diffraction. During the thermolysis of these compounds, layered metal nanoparticles are formed. Close attention is paid to the details of the [Co(NH3)6][Ir(C2O4)3] synthesis. It has been shown that the formation of this complex salt is temperature dependent; upon heating, a new phase of the K3[Co(NH3)6][Ir(C2O4)3]2·6H2O salt is formed, which incorporates the initial iridium compound into the crystal structure of the double complex salt. The target [Co(NH3)6][Ir(C2O4)3] product is obtained if the synthesis is carried out at room temperature.
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