Acta Crystallographica Section E

Structure Reports Online

Volume 69, Part 6 (June 2013)

metal-organic compounds

Acta Cryst. (2013). E69, m298-m299    [ doi:10.1107/S1600536813011628 ]

Pyridinium bis­(pyridine-[kappa]N)tetra­kis­(thio­cyanato-[kappa]N)ferrate(III)

S. I. Shylin, I. A. Gural'skiy, M. Haukka, A. A. Kapshuk and E. V. Prisyazhnaya

Abstract: In the title compound, (C5H6N)[Fe(NCS)4(C5H5N)2], the FeIII ion is coordinated by four thio­cyanate N atoms and two pyridine N atoms in a trans arrangement, forming an FeN6 polyhedron with a slightly distorted octa­hedral geometry. Charge balance is achieved by one pyridinium cation bound to the complex anion via N-H...S hydrogen bonding. The asymmetric unit consists of one FeIII cation, four thio­cyanate anions, two coordinated pyridine mol­ecules and one pyridinium cation. The structure exhibits [pi]-[pi] inter­actions between pyridine rings [centroid-centroid distances = 3.7267 (2), 3.7811 (2) and 3.8924 (2) Å]. The N atom and a neighboring C atom of the pyridinium cation are statistically disordered with an occupancy ratio of 0.58 (2):0.42 (2).

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