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. 2010 Jun 26;66(Pt 7):m846.
doi: 10.1107/S1600536810024098.

Bis(1,3-dibenzyl-imidazolium) μ-oxido-bis-[trichloridoferrate(III)]

E M Mutambi  1 , C J Adams, A G Orpen
Affiliations

Bis(1,3-dibenzyl-imidazolium) μ-oxido-bis-[trichloridoferrate(III)]

E M Mutambi et al. Acta Crystallogr Sect E Struct Rep Online. .

Abstract

In the title compound (C(17)H(17)N(2))(2)[Fe(2)Cl(6)O], obtained from the solid-state reaction of FeCl(2) and N,N'-dibenzyl-imidazolium chloride, the complex anion has approximate D(3d) symmetry with crystallographically imposed inversion symmetry coincident with the bridging μ-O atom. The stereochemistry about each FeCl(3)O centre is distorted tetra-hedral [Fe-Cl = 2.2176 (5)-2.2427 (5) Å and Fe-O = 1.7545 (2) Å]. The Cl atoms are involved in weak anion-cation C-H⋯Cl inter-actions, giving a network structure.

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Figures

Fig. 1.
Fig. 1.
Molecular structure and atom numbering scheme for the IBz cation and the complex dianion in (I). The dianion lies across an inversion centre: for primed atoms, the symmetry code is -x + 1, -y, -z + 2. Non-H atoms are drawn at the 50% probability level.
Fig. 2.
Fig. 2.
Cation–anion C—H···Cl interactions in (I).
Fig. 3.
Fig. 3.
Crystal packing showing the three-dimensional networks formed in (I).
See this image and copyright information in PMC

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