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International Union of Crystallography, Acta Crystallographica Section E: Structure Reports Online, 6(68), p. o1635-o1635, 2012

DOI: 10.1107/s1600536812019344

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3,3′-[1,2-Phenylenebis(methylene)]bis(1-ethyl-1 H -benzimidazol-1-ium) bis(hexaflourophosphate)

Journal article published in 2012 by Rosenani A. Haque, Muhammad Adnan Iqbal, Mohd Mustaqim Rosli, Hoong-Kun Fun ORCID
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, C26H28N4 2+·2PF6 −, the complete cation is generated by a crystallographic twofold axis. The benzimidazole ring is almost planar (r.m.s. deviation = 0.0207 Å) and makes dihedral angles of 50.12 (2)° with its symmetry-related component and 65.81 (2)° with the central benzene ring. In the crystal, molecules are linked into a three-dimensional network by C—H...F interactions. A π–π interaction with a centroid–centroid distance of 3.530 (1) Å is observed. Four F atoms of the hexafluorophosphate anion are disordered over two sets of sites in a 0.889 (6):0.111 (6) ratio.