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Synthesis, crystal structure and spectral analysis of diaquatetrakis(N-methylimidazole)Ni(II)(2,4,6-tribromophenol)

Diaquatetrakis(N‐methylimidazole)Ni(II)(2,4,6‐tribromophenol), Ni(H2O)2(C3N2(CH3))4.2(C6H3Br3O), was synthesized via reaction of nickel sulphate and 2,4,6‐tribromophenolate in aqueous media in the presence of N‐methyl imidazole and sodium hydroxide. The complex crystalizes in the triclinic space gro...

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Bibliographic Details
Published in:Crystal research and technology (1979) 2006-08, Vol.41 (8), p.829-835
Main Authors: Yilmaz, A., Camurlu, P., Yıldırım, L. Tatar, Kısakürek, D., Ülkü, D.
Format: Article
Language:English
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Summary:Diaquatetrakis(N‐methylimidazole)Ni(II)(2,4,6‐tribromophenol), Ni(H2O)2(C3N2(CH3))4.2(C6H3Br3O), was synthesized via reaction of nickel sulphate and 2,4,6‐tribromophenolate in aqueous media in the presence of N‐methyl imidazole and sodium hydroxide. The complex crystalizes in the triclinic space group P1 with one formula unit of Ni(C3H3N2(CH3))4(H2O)2.2(C6H3Br3O) in the cell. The coordination around the Ni(II) ion is a slightly distorted octahedron, involving four N atoms from four different di(N‐methyl imidazole) ligand in the basal plane. The two oxygen atoms of the water molecules located at the apical positions result in an octahedral coordination. The two tribomophenol groups in the unit cell are connected via hydrogen‐bonds to the atoms of the coordination sphere, to build one dimensional chains along the a‐axis. For characterization of complex FTIR, UV spectroscopy, DSC and TGA thermal analysis were performed. (© 2006 WILEY‐VCH Verlag GmbH & Co. KGaA, Weinheim)
ISSN:0232-1300
1521-4079
DOI:10.1002/crat.200510678