Crystal structure of NH3(CH2)2NH3(BiI4)2·4H2O |
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| Authors: | S. Chaabouni S. Kamoun J. Jaud |
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| Affiliation: | (1) Laboratoire de Cristallochimie du Solide, ENIS, 3038 Sfax, (Tunisia);(2) Centre d'Elaboration de Matériaux et d'Etudes Structurales, CNRS, BP 4347, 31055 Toulouse Cedex, France |
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| Abstract: | The ethylenediammonium bis tetraiodobismuthate(III) tetrahydrate salt is monoclinic with the following unit cell dimensions:a=7.476(3)Å,b=13.194(3)Å,c=13.916(9)Å, β=95.22(6)°, space groupP21 lc withZ=2. The structure consists of disordered ethylenediammonium cations, water molecules and polynuclear anions in which slightly distored [BiI6]3? octahedra sharingcis edges are interconnected into chains. The [BiI4]? anions are connected through O(W2)?H...I hydrogen bonds, so that infinite two dimensional chains parallel to thea axis with anionic period [BiI4(H2O)]? are formed in the structure. These chains are themselves interconnected by means of the O?H...I and N...O(I) bonds originating respectively from the water molecules and the ethylenediammonium entities, forming a three-dimensional network. |
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| Keywords: | Crystalline structure organic iodobismuthate(III) disordered phase |
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