Fig. 31. (a) Structure of [(Me)₂NH₂]₂[Sb₂GeS₆] along the b-axis. (b) The left-handed helical chain parallel to the b-axis. (c) The right-handed helical chain parallel to the b-axis. (d) The (3² × 10⁴) net topology of the structure. The left-handed and right-handed helical chains are highlighted with red and orange, respectively. Reproduced with permission from ref. 45; © 2008, Wiley-VCH.