The preparation and crystal structure of meso-5,5,7,12, 12,14-hexamethyl-1,
8-diazonia-4,11-diazabicyclo[9.3.3]heptadecane chloride iodide 0.5-diethyl
ether solvate, C19H42N42+. Cl-. I- . 0.5C(4)H(10)O, are described. The 14-m
embered macrocycle has an extended conformation with the -(CH2)(3)- bridge
to one side. It contains two N-H ... Cl hydrogen bonds.