Template construction of a series of supramolecular coordination polymers via 6,7-dihydro-5H-[1,4]diazepino[1,2,3,4-lmn][1,10]phenanthroline-4,8-diium cation
2011
Five cation-induced complexes, (phen-dzp) [ZnBr3N3] (1), (phen-dzp) [ZnCl2Br2] (2), (phen-dzp) (H3O)2 [Fe(CN)6] (3), (phen-dzp)2 [Cu2I6] (4), and [(phen-dzp)(Ag2Br4)] n (5) [phen-dzp = (C15H14N2)2+, 6,7-dihydro-5H-[1,4]diazepino[1,2,3,4-lmn][1,10]phenanthroline-4,8-diium], have been synthesized via self-assembly in solution. The crystal structures of 1–3 show that they all crystallize in monoclinic systems with mononuclear structures. Compound 4 is a binuclear coordination polymer. Complex 5 possesses a 2-D supramolecular layer with the organic cation phen-dzp trapped in it; interestingly, each inorganic polymeric planar layer is composed of large, decagon rings formed by sharing four Br− and four [Ag2Br4] quadrilateral units with six adjacent decagon rings. The results provide insights into template effects of synthetic approaches on the construction of supramolecular compounds. The structures of 1–5 have been characterized by elemental analysis, infrared spectra, and single-crystal X-ray crystallography...
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