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Crystal structure of bis-(1-ethyl-pyridinium) dioxonium hexa-cyanidoferrate(II).


ABSTRACT: The title compound, (C7H10N)2(H3O)2[Fe(CN)6] or (Etpy)2(H3O)2[Fe(CN)6] (Etpy+ is 1-ethyl-pyridinium), crystallizes in the space group Pnnm. The FeII atom of the [Fe(CN)6]4- anion lies on a site with site symmetry ..2/m, and has an octa-hedral coordination sphere defined by six cyanido ligands. Both the Etpy+ and the oxonium cations are located on a mirror plane. In the crystal, electron-donor anions of [Fe(CN)6]4- and electron-acceptor cations of Etpy+ are each stacked parallel to the b axis, resulting in a columnar structure with segregated moieties. The crystal packing is stabilized by a three-dimensional O-H?N hydrogen-bonding network between the oxonium ions and the cyanide ligands of [Fe(CN)6]4-.

SUBMITTER: Tanaka R 

PROVIDER: S-EPMC5290569 | BioStudies | 2017-01-01T00:00:00Z

REPOSITORIES: biostudies

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