Abstract
The synthesis and Crystal structure are given for the bis (N,N,N′,N′-tetramethylethylendiammonium) octaiodo pentachloroantimonate (III) salt. An X-ray investigation has shown that the title compound crystallizes in a monoclinic system, space group P21/m with the following lattice parameters a = 9.786(2) Ǻ, b = 14.024(5) Ǻ, c = 14.336(3) Ǻ, β = 91.35(2)° and Z = 2. The structure was solved from 3085 independent reflections with R 1 = 0.0402 and wR 2 = 0.0952 and refined with 152 parameters. The structure shows a layer arrangement perpendicular to the \( \vec{b} \)-axis: planes of [SbCl5]2−, I3 − and I5 − anions alternate with planes of [(CH2)2(NH(CH3)2)2]2+ cations. The [SbCl5]2− square pyramids present an active lone electron pair (LEP) on the Sb atoms and they are interconnected by means of N–H···Cl hydrogen bond originating from [(CH2)2(NH(CH3)2)2]2+ entities. The polyiodides (I3 − and I5 −) anions form a planer zigzag polymeric chains via I···I linking interactions. These chains are linked to the [SbCl5]2− anions by a long range contact.
Index Abstract
Built for [(CH2)2(NH(CH3)2)2]2+ entities, [SbCl5]2−, I3 − and I5 − anions.
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Kharrat, H., Kamoun, S., Ayedi, H.F. et al. Synthesis and Crystal Structure of Bis (N,N,N′,N′-tetramethylethylendiammonium) Octaiodo Pentachloroantimonate (III). J Chem Crystallogr 40, 721–725 (2010). https://doi.org/10.1007/s10870-010-9725-7
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DOI: https://doi.org/10.1007/s10870-010-9725-7