Two new halo-bridged cadmium(II) polymers: Effect of halogen towards metal coordination

Ruma Karmakar, Chirantan Roy Choudhury, David L. Hughes, Samiran Mitra

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Two new one-dimensional coordination polymers have been synthesised by the reaction of cadmium(II) halides with the chelating bidentate ligand, 2-aminomethylpyridine (2-ampy). X-ray single crystal structure analysis shows an octahedral environment around the cadmium atom in the complex, [CdCl2(NC5H4CH2NH2)]n (1) forming a doubly chloro-bridged polymeric chain, and a rare five-coordinated square-pyramidal geometry in the bromide complex, [CdBr2(NC5H4CH2NH2)]n (2), which forms an unusual singly bromo-bridged 1D polymer. Both the complexes have been characterised by elemental analysis, spectroscopic studies and thermal analysis.
Original languageEnglish
Pages (from-to)2631-2637
Number of pages7
JournalInorganica Chimica Acta
Issue number8
Publication statusPublished - 1 May 2007

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