3,3′-Diethyl-1,1′-(1,4-phenylenedimethylene)diimidazol-3-ium bis(hexafluorophosphate)

Abstract

In the title molecular salt, C18H24N42+·2PF6−, the complete dication is generated by a crystallographic inversion centre. The central benzene ring makes a dihedral angle of 77.19 (9)° with each of the imidazole rings. In the crystal, C—H...F interactions link the cations and anions into layers lying parallel to the bc plane. The hexafluorophosphate anion is disordered over two sets of sites in a 0.520 (11):0.480 (11) ratio.