Abstract
A 1-D helical tubular cadmium coordination polymer, [Cd(H2Me4bpz)(H2bidc)2]n (1, H2Me4bpz = 3,3',5,5'-tetramethyl-4,4'-bipyrazole; H3bidc = benzimidazole-5,6-dicarboxylic acid) was hydrothermally synthesized and characterized by means of elemental analyses, PXRD, IR, 2D IR correlation spectra, solid UV, TG analysis, luminescence spectroscopy and single crystal X-ray diffraction. The crystal structure of 1 is a unique example of a 1D helical tube-in-tube structure. Interestingly, the [Cd(H2Me4bpz)] coordination helical tube is included in the [Cd(H2bidc)] supramolecular helical tube with the same handness. The compound displays a green luminescence upon excitation at 397 nm.
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