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.
Highlights
C26H28N42+2PF6, the complete cation is generated by a crystallographic twofold axis
Molecules are linked into a threedimensional network by C—H F interactions
Four F atoms of the hexafluorophosphate anion are disordered over two sets of sites in a 0.889 (6):0.111 (6)
Summary
Refinement a School of Chemical Sciences, Universiti Sains Malaysia, 11800 USM, Penang, Malaysia, and bX-ray Crystallography Unit, School of Physics, Universiti Sains. Key indicators: single-crystal X-ray study; T = 100 K; mean (C–C) = 0.003 Å; disorder in solvent or counterion; R factor = 0.046; wR factor = 0.098; data-toparameter ratio = 18.1. The benzimidazole ring is almost planar (r.m.s. deviation = 0.0207 Å). Makes dihedral angles of 50.12 (2) with its symmetryrelated component and 65.81 (2) with the central benzene ring. Molecules are linked into a threedimensional network by C—H F interactions. A – 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)
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