The one-dimensional organic–inorganic hybrid:<i>catena</i>-poly[bis[1-(3-ammoniopropyl)-1<i>H</i>-imidazolium] [[iodidoplumbate(II)]-tri-μ-iodido-plumbate(II)-tri-μ-iodido-[iodidoplumbate(II)]-di-μ-iodido]]
Acta crystallographica. Section E