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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-literature | 2017 Feb

REPOSITORIES: biostudies-literature

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

Tanaka Rikako R   Matsushita Nobuyuki N  

Acta crystallographica. Section E, Crystallographic communications 20170120 Pt 2


The title compound, (C<sub>7</sub>H<sub>10</sub>N)<sub>2</sub>(H<sub>3</sub>O)<sub>2</sub>[Fe(CN)<sub>6</sub>] or (Etpy)<sub>2</sub>(H<sub>3</sub>O)<sub>2</sub>[Fe(CN)<sub>6</sub>] (Etpy<sup>+</sup> is 1-ethyl-pyridinium), crystallizes in the space group <i>Pnnm</i>. The Fe<sup>II</sup> atom of the [Fe(CN)<sub>6</sub>]<sup>4-</sup> anion lies on a site with site symmetry ..2/<i>m</i>, and has an octa-hedral coordination sphere defined by six cyanido ligands. Both the Etpy<sup>+</sup> and the oxo  ...[more]

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