The reaction of thiourea with I-azabicyclo[2,2,2]octane (quinuclidine) and quinuclidine hydrochloride or quinuclidine hydrobromide in ethanol/acetone mixture leads to the formation of the inclusion compounds (thiourea)(2)[(quinuclidine)(2)H]Cl-+(-) and (thiourea)(2)[(quinuclidine)(2)H]Br-+(-), respectively. The crystal structure of the ternary proton-amine-thiourea complex may be described as the inclusion of the hydrogen-diquinuclidine cationic complex in a stacked form in the van der Waals cavities of a polyanionic thiourea-chloride and -bromide superstructure. Complete structure determination of the products was performed and show channel structure formed by monodimensional, non intersecting polimeric chains of thiourea molecules linked by chloride or bromide ions.