Synthesis, crystal structure, thermal and dielectric properties of bis(p-phenylenediammonium) chloride hexachlorobismuthate(III) monohydrate [C6H4(NH3)2]2ClBiCl6.H2O |
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| Authors: | Chakib Hrizi Chiheb Chaker and Slaheddine Chaabouni |
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| Institution: | (1) Laboratoire des Sciences de Mat?riaux et de l’Environnement (MESLab), Facult? des Sciences de Sfax (FSS), Universit? de Sfax, Route de Soukra km 3,5, BP 1171, 3000 Sfax, Tunisia;(2) Laboratoire des Mat?riaux Ferro?lectriques (LMF), Facult? des Sciences de Sfax (FSS), Unit? de Physique-Math?matiques 05UR15-04, Route de Soukra km 3,5, BP 1171, 3000 Sfax, Tunisia |
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| Abstract: | Synthesis, crystal structure, and dielectric properties of C6H4(NH3)2]2ClBiCl6.H2O are reported. The compound crystallizes in the monoclinic system with space group P21/n. The unit cell dimensions are a = 9.836(5), b = 19.582(5), c = 13.082(5) ?, β = 104.731(5)° with Z = 4. The atomic arrangement can be described by an alternation of organic and inorganic layers. The anionic layer is built
up of octahedral of BiCl6]3- arranged in sandwich between the organic layers. The crystal packing is governed by means of the ionic N–H···Cl hydrogen
bonds, forming a three-dimensional network. The dielectric properties have been investigated at temperature range from 297
to 410 K at various frequencies (10 Hz–100 kHz). Dielectric studies were performed to confirm results obtained with thermal
analysis. The evolution of dielectric constant as a function of temperature and frequency of single crystal has been investigated
in order to determine some related parameters. |
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