Journal
ZEITSCHRIFT FUR ANORGANISCHE UND ALLGEMEINE CHEMIE
Volume 638, Issue 7-8, Pages 1233-1238Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/zaac.201100560
Keywords
Bis(benzimidazole); Coordination polymers; Cobalt; Silver; Dipicolinate; Fenton-like reaction
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Two coordination polymers, [Ag2(pydca)(bbbi)2]n (1) and [Co2(pydca)2(bbbi)3]n center dot nH2O (2) [pydca = pyridine-2, 6-dicarboxylate, bbbi = 1, 1'-(1, 4-butylene)bis-1H-benzimidazole)] were hydrothermally synthesized and characterized by elemental analysis, IR spectroscopy, TG, PXRD, and single-crystal X-ray diffraction. Compound 1 features a one-dimensional helical chain structure bridged by bbbi ligand, and further assembled into a 2D supramolecular architecture through three kinds of intermolecular pp stacking interactions. Compound 2 displays an undulated 2D (6, 3) layer structure, in which each [Co(pydca)] unit is connected by three bbbi bridge ligands. Moreover, 1 and 2 have a remarkable activity for degradation of methyl orange in a photo-assisted Fenton-like process.
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