Abstract
Two novel entangled coordination polymers, [Zn(abda)(bimh)]n (1) and [Cd(dtba)(bimh)]n (2) (H2abda = azobenzene-4,4′-dicarboxylic acid, H2dtba = 2,2′-dithiobisbenzoic acid, bimh = 1,6-bis(2-methylimidazole-1-yl)hexane), have been synthesized using long mixed ligands. Complex 1 features rare 2D parallel interpenetrated 44-sql networks which show the same handedness. Interestingly, in the interpenetrating nets, A-chains [Zn(bimh)]n of one layer co-use the helical shaft with B-chains [Zn(abda)]n of the other layer of double-layers. Complex 2 shows a unique 3D 3-fold interpenetrating homochiral 86 network, and each single net is constructed from right-handed [Cd(dtba)]n single helices and left-handed [Cd(bimh)]n double-stranded helices.
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