Volume 22, Issue 1 pp. 55-59
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Hydrothermal Synthesis and Properties of Open-Framework Mixed-valence Iron Phosphates Fe2lll Fell1.5(PO4)3 with Three-dimensional Structure

Li-Ying Duan

Li-Ying Duan

Institute of Polyoxometalate Chemistry, Department of Chemistry, Northeast Normal University, Changchun, Jilin 130024, China

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Fu-Chen Liu

Fu-Chen Liu

Institute of Polyoxometalate Chemistry, Department of Chemistry, Northeast Normal University, Changchun, Jilin 130024, China

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En-Bo Wang

En-Bo Wang

Institute of Polyoxometalate Chemistry, Department of Chemistry, Northeast Normal University, Changchun, Jilin 130024, China

State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou, Fujian 350002, China

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Yang-Guang Li

Yang-Guang Li

Institute of Polyoxometalate Chemistry, Department of Chemistry, Northeast Normal University, Changchun, Jilin 130024, China

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Chang-Wen Hu

Chang-Wen Hu

Institute of Polyoxometalate Chemistry, Department of Chemistry, Northeast Normal University, Changchun, Jilin 130024, China

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Lin Xu

Lin Xu

Institute of Polyoxometalate Chemistry, Department of Chemistry, Northeast Normal University, Changchun, Jilin 130024, China

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First published: 26 August 2010
Citations: 3

Abstract

The open-framework iron phosphate Fe2lllFe1.5ll,(PO4)3 was hydrothermally synthesized and characterized by elemental analysis, IR, EPR, XPS and single crystal X-ray diffraction analysis. The title compound crystallized in the triclinic, space group P1 with a=0.64724(4) nm, b=0.79651(6) nm, c=0.94229(5) nm, a= 104.447(2)°. β= 108.919(4)°. y= 101.741(4)°, V=0.42302(5) nm3, Z= 1 and RI (wR2)=0.0307 (0.0793). Crystal data were collected on a Rigaku R-AXIS RAPID IP diffractometer with Mo Ka (γ=0.071073 nm) at 293(2) K in the range of 2.43°<Õ <27.46°. The structure of 1 consists of 19 non-hydrogen atoms including three and a half crystallographically independent Fe and three P atoms. Fe(1) connects its symmetrical Fe(1A) through bridging oxygen forming a dimer and the dimers are connected by Fe(4) forming an infinite staircase-like chain. Fe(2) and Fe(3) connect the infinite chains into a layer with bridging oxygen. Layers are interconnected via Fe(4) forming the six-membered and eight-membered channel systems.

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