Acta Cryst. (2001). E57, m357-m358  [ doi:10.1107/S1600536801011916 ]

The sandwich dimeric form of a Cs^I complex of 18-crown-6 with bridging iodide ions

T. H. Kim, K.-M. Park, S. S. Lee, J. S. Kim and J. Kim

Abstract: The sandwich dimeric structure of di--iodo-bis[(1,4,7,10,13,16-hexaoxacyclooctadecane)caesium(I)] p-xylene solvate, [Cs₂I₂(C₁₂H₂₄O₆)₂]·C₈H₁₀, has been characterized by X-ray crystallography. The complex adopts an encapsulate of a molecular dimeric array [Cs(18-crown-6)(-I)]₂·C₈H₁₀. Two Cs(18-crown-6)⁺ moieties are doubly linked by two iodide ions. The molecule has crystallographic 2/m (C_2h) symmetry.

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