Synthesis, crystal structure, characterizations and magnetic study of a novel two-dimensional iron fluoride

被引:9
|
作者
Bouketaya, Sabrine [1 ,2 ]
Smida, Mouna [1 ]
Abdelbaky, Mohammed S. M. [2 ]
Dammak, Mohamed [1 ]
Garcia-Granda, Santiago [2 ]
机构
[1] Univ Sfax, Lab Inorgan Chem, BP 1171, Sfax 3000, Tunisia
[2] Univ Oviedo, Dept Phys & Analyt Chem, CINN, Oviedo 33006, Spain
关键词
Fluoride; Iron; Hydrothermal synthesis; Thermal analysis; Vibrational spectroscopy; Magnetic; METAL-ORGANIC FRAMEWORKS; THERMAL-BEHAVIOR; GAS-ADSORPTION; TEMPERATURE; COMPLEXES; MOSSBAUER; SPECTRA; DESIGN; ANION;
D O I
10.1016/j.jssc.2018.03.039
中图分类号
O61 [无机化学];
学科分类号
070301 ; 081704 ;
摘要
A new hybrid compound formulated as [Fe3F8(H2O)(2)](Am(2)TAZ)(2) (Am(2)TAZ=3,5-diamino-1,2,4-triazole) was prepared under hydrothermal conditions. The crystal structure was solved by single-crystal X-ray diffraction and the bulk was characterized by thermal analyses (TG-MS), vibrational spectroscopy (FTIR, Raman), Ultraviolet-visible spectroscopy (UV-Vis), and scanning electron microscopy (SEM-EDX). It crystallizes in the triclinic system space group P (1) over bar with unit cell parameters a = 7.100(2) angstrom, 6 = 7.658(2) angstrom, c = 8.321(2) angstrom, alpha = 107.330(20)degrees, beta = 111.842(18)degrees, gamma = 93.049(17), Z = 1 and V = 394.01(17) angstrom(3). The studied X-ray crystal structure shows the two oxidation states for iron atoms (Fe2+, Fe3+) and generates a 2D inorganic network, built up of inorganic layers constructed from infinite inorganic chains running along a axis. In fact, these chains are connected via (Fe3+(3)F-6) octahedral. OW-H center dot center dot center dot F and N-H center dot center dot center dot F hydrogen bonds, making up the whole 3D network, are strongly linked in the layers. Magnetization measurements were performed, exhibiting the paramagnetic feature of the studied compound above 150 K.
引用
收藏
页码:343 / 350
页数:8
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