Journal
SYNTHESIS AND REACTIVITY IN INORGANIC METAL-ORGANIC AND NANO-METAL CHEMISTRY
Volume 43, Issue 9, Pages 1186-1189Publisher
TAYLOR & FRANCIS INC
DOI: 10.1080/15533174.2012.756902
Keywords
azo dye; bis(benzimidazole); catalysis; crystal structure
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A new 1D coordination polymer, [CoCl2(bbbm)(2)](n)center dot(DMF)(n) (1) (bbbm = 1,1-(1,4-butanediyl)bis-1H-benzimidazole), has been synthesized and characterized by elemental analysis, IR, and X-ray single-crystal diffraction. The complex crystallizes in the triclinic system with space group P1, the unit cell parameters: a = 9.4960(8), b = 9.8786(9), c = 13.8975(12) angstrom, = 79.9030(10), = 70.6170(9), = 73.4910(10), V = 1174.36(18) angstrom(3), and Z = 2. In this structure, each cobalt atom is in a tetrahedral geometry, one-dimensional linear chains were constructed by bbbm ligand with bis(monodentate) coordination mode and then linked via CH center dot center dot center dot Cl hydrogen bonding into a 2D supramolecular motif. Degradation of Congo Red (CR), an azo dye in aqueous solution, is investigated by a Fenton-like process using complex 1 as the catalyst and sodium persulfate as the oxidant. Supplemental materials are available for this article. Go to the publisher's online edition of Synthesis and Reactivity in Inorganic, Metal-Organic, and Nano-Metal Chemistry to view the supplemental file.
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