electronic reprint Acta Crystallographica Section C Crystal Structure Communications ISSN 0108-2701 Editor: George Ferguson Two packing motifs based upon chains of edge-sharing PbI 6 octahedra Andreas Lemmerer and David G. Billing Copyright © International Union of Crystallography Author(s) of this paper may load this reprint on their own web site provided that this cover page is retained. Republication of this article or its storage in electronic databases or the like is not permitted without prior permission in writing from the IUCr. Acta Cryst. (2006). C62, m597–m601 Lemmerer and Billing (C 6 H 10 N 2 )[PbI 4 ] 2H 2 O and (C 8 H 12 N) 2 [PbI 4 ]