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Acta Cryst. (2009). E65, m77-m78 [ doi:10.1107/S1600536808041949 ]
-pyrazine-2,3-dithiolato)bis(pyrazine-2,3-dithiolato)diferrate(III) methanol disolvateAbstract: In the title compound, (C6H16N)2[Fe2(C4H2N2S2)4]·2CH4O, the [FeIII(pdt)2]- anion (pdt is pyrazine-2,3-dithiolate) forms a centrosymmetric dimer supported by two FeIII-S bonds [Fe-S = 2.4787 (4) Å]. In the crystal structure, dimers form a one-dimensional stack along the b axis via
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stacking interactions, the interplanar separation between adjacent dimers being 3.51 (2) Å. The methanol solvent molecule is involved in two hydrogen bonds in which the hydroxyl group acts as a hydrogen-bond donor to the N atom of a pdt ligand and the O atom acts as an acceptor for the NH group of the triethylammonium cation.
Online 17 December 2008
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