The inorganic–organic hybrid material triethylenetetrammonium hexachloridorhodate(III) chloride

Thomas Hahn,Walter Frank

doi:10.1107/s1600536807067293

Abstract

Single crystals of the new title compound [systematic name: 1,4,7,10-tetrazoniadecane hexachloridorhodate(III) chloride], [H3N(CH2)2NH2(CH2)2NH2(CH2)2NH3][RhCl6]Cl, were obtained from the corresponding amine and rhodium trichloride in hydrochloric acid solution by slow crystallization under diffusion-controlled conditions at room temperature. Its solid-state structure is defined by a three-dimensional framework of numerous electrostatic-supported N—H⋯Cl hydrogen bonds between the ionic components of the compound. Within this framework, layered arrangements of the complex ions on one hand and of the protonated amines and chloride ions on the other hand, can be recognized. The octahedral hexachloridorhodate(III) anion resides on a symmetry site, while the triethylenetetrammonium cation and the chloride ion both reside on twofold axes.

Highlights

[H3N(CH2)2NH2(CH2)2NH2(CH2)2NH3][RhCl6]Cl, were obtained from the corresponding amine and rhodium trichloride in hydrochloric acid solution by slow crystallization under diffusion-controlled conditions at room temperature
The octahedral hexachloridorhodate(III) anion resides on a 1 symmetry site, while the triethylenetetrammonium cation and the chloride ion both reside on twofold axes
Symmetry codes: (ii) −x+1/2, y+1/2, −z+1/2; (iii) −x+1/2, −y+3/2, −z+1; (iv) −x+1, −y+1, −z+1

Summary

Data collection

Single crystals of the new title compound [systematic name: 1,4,7,10-tetrazoniadecane hexachloridorhodate(III) chloride],. [H3N(CH2)2NH2(CH2)2NH2(CH2)2NH3][RhCl6]Cl, were obtained from the corresponding amine and rhodium trichloride in hydrochloric acid solution by slow crystallization under diffusion-controlled conditions at room temperature. Its solid-state structure is defined by a three-dimensional framework of numerous electrostatic-supported N—HÁ Á ÁCl hydrogen bonds between the ionic components of the compound. Within this framework, layered arrangements of the complex ions on one hand and of the protonated amines and chloride ions on the other hand, can be recognized. The octahedral hexachloridorhodate(III) anion resides on a 1 symmetry site, while the triethylenetetrammonium cation and the chloride ion both reside on twofold axes

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Thomas Hahn and Walter Frank

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