Two unique (4,5,6)-connected 2D CdII coordination polymers based on the 5-nitro-1,2,3-benzenetricarboxylate ligand
2011
Two new 2D coordination polymers, [Cd3(nbta)2(H2O)4] (1) and [Cd3(nbta)2(bbi)2H2O)2] (2) (H3nbta = 5-nitro-1,2,3-benzenetricarboxylate, bbi = 1,1′-(1,4-butanediyl)bis(imidazole)) have been synthesized and structurally characterized by single X-ray structure analysis. The versatile conformations and binding modes of the nbta ligand as well as the coordination environment of the CdII atoms result in two unique (4,5,6)-connected 2D CdII-coordination polymers, both of which show enthralling helical structures.
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