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International Union of Crystallography, Acta Crystallographica Section E: Structure Reports Online, 5(69), p. m280-m280, 2013

DOI: 10.1107/s1600536813010362

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Pyridinium bis­(pyridine-κN)tetra­kis­(thio­cyanato-κN)ferrate(III)–pyrazine-2-carbo­nitrile–pyridine (1/4/1)

Journal article published in 2013 by Sergii I. Shylin, Il’ya A. Gural’skiy ORCID, Matti Haukka, Irina A. Golenya
This paper is made freely available by the publisher.
This paper is made freely available by the publisher.

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Abstract

In the title compound, (C5H6N)[Fe(NCS)4(C5H5N)2]·4C5H3N3·C5H5N, the FeIII ion is located on an inversion centre and is six-coordinated by four N atoms of the thio­cyanate ligands and two pyridine N atoms in a trans arrangement, forming a slightly distorted octa­hedral geometry. A half-occupied H atom attached to a pyridinium cation forms an N—H⋯N hydrogen bond with a centrosymmetrically-related pyridine unit. Four pyrazine-2-carbo­nitrile mol­ecules crystallize per complex anion. In the crystal, π–π stacking inter­actions are present [centroid–centroid distances = 3.6220 (9), 3.6930 (9), 3.5532 (9), 3.5803 (9) and 3.5458 (8) Å].