Synthesis, Crystal Structure and Characterization of the Copper Iron Phosphate Cu_8Fe_2O_5(PO_4)_4

Iren Weimann; Thorsten Jahn; J?rg Feller; Zdirad Zak

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Synthesis, Crystal Structure and Characterization of the Copper Iron Phosphate Cu_8Fe_2O_5(PO_4)_4

机译：磷酸铜铁Cu_8Fe_2O_5（PO_4）_4的合成，晶体结构和表征

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The system CuO-Fe_2O_3-P2O_5 has been investigated by means of the solid state reaction between CuO, Fe_2O_3 and (NH_4)_2HPO_4 in quartz crucibles at 900 ℃. The powder samples were characterized by X-ray diffraction, IR spectroscopy and TG/DTA. Single crystals of a new quaternary phase Cu_8Fe_2P_4O_(21) were achieved by coolingfromthemeltofthecompoundinasealed,evacuatedquartzampoule. Cu_8Fe_2O_5(PO_4)_4 crystallizes in the monoclinic space group C2/m (No 12) with a = 15.9733(8) ?, b = 5.9438(3) ?, c = 9.5530(5) ?, β = 113.76(1)°, Z = 2. The three-dimensional framework consists of [FeO_6] octahedra, three different [CuO_5] polyhedra and [PO_4] tetrahedra. Cu_8Fe_2P_4O_(21) exhibits an incongruently melting point at 945 ℃.

机译：利用CuO，Fe_2O_3和（NH_4）_2HPO_4在900℃的石英坩埚中进行固相反应，研究了CuO-Fe_2O_3-P2O_5体系。通过X射线衍射，IR光谱和TG / DTA对粉末样品进行表征。通过从熔融的，熔融的，真空的石英安瓿中熔融的化合物冷却，获得新的四元相Cu_8Fe_2P_4O_（21）的单晶。 Cu_8Fe_2O_5（PO_4）_4在单斜空间群C2 / m（No 12）中结晶，a = 15.9733（8）α，b = 5.9438（3）α，c = 9.5530（5）α，β= 113.76（1）° ，Z =2。三维框架由[FeO_6]八面体，三个不同的[CuO_5]多面体和[PO_4]四面体组成。 Cu_8Fe_2P_4O_（21）的熔点在945℃处不一致。

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《Zeitschrift fur Anorganische und Allgemeine Chemie》 |2014年第1期|共5页
作者
Iren Weimann; Thorsten Jahn; J?rg Feller; Zdirad Zak;
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正文语种 eng
中图分类化学;
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Copper iron phosphate; X-ray diffraction; Phase diagrams; Solid state reaction; Thermal analysis;

机译：磷酸铁铜;X射线衍射;相图;固相反应;热分析;

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1. Synthesis, Crystal Structure and Characterization of the Copper Iron Phosphate Cu_8Fe_2O_5(PO_4)_4 [J] . Iren Weimann, Thorsten Jahn, J?rg Feller, Zeitschrift fur Anorganische und Allgemeine Chemie . 2014,第1期

机译：磷酸铜铁Cu_8Fe_2O_5（PO_4）_4的合成，晶体结构和表征
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Synthesis, Crystal Structure and Characterization of the Copper Iron Phosphate Cu_8Fe_2O_5(PO_4)_4

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