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An Infinite Water Chain Passes through an Array of Zn(II) Metallocycles Built with a Podand Bearing Terminal Carboxylates

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posted on 2005-02-21, 00:00 authored by Subhadip Neogi, Parimal K. Bharadwaj
A podand bearing three carboxylic acid groups was synthesized by condensation of tris(2-chloroethyl)amine with 4-hydroxyethylbenzoate followed by hydrolysis of the ester group. An aqueous solution of Zn(NO3)2·6H2O reacts with the tetraethylammonium salt of the podand at room temperature, to form a porous coordination polymeric structure with infinite interlinked chains of Zn(II) metallocycles. An infinite water chain passes through the metallocycles like a thread. The compound was characterized by X-ray crystallography, X-ray powder diffraction, TGA, IR spectroscopy, and elemental analysis.

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