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.
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页码:343 / 350
页数:8
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