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Articles

Synthesis, structure and luminescence properties of a three-dimensional Cd(II) coordination polymer with (3, 7)-connected topology

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Pages 508-516 | Received 07 Jan 2020, Accepted 03 May 2020, Published online: 20 May 2020
 

Abstract

Solvothermal reaction of 2,5-thiophenedicarboxylic acid and 3,5-bis(imidazol-1′-yl)pyridine with cadmium nitrate provided a new coordination polymer, namely {[Cd2(tdc)2(bimpy)](2H2O)(2DMF)}n (1) where H2tdc = 2,5-thiophenedicarboxylic acid, and bimpy = 3,5-bis(imidazol-1′-yl)pyridine. The compound has been structurally characterized by single-crystal X-ray diffraction analyses and further characterized by elemental analyses, IR spectroscopy, powder X-ray diffraction, and thermogravimetric analyses. Crystallographic data show that the compound crystallizes in the monoclinic P21/n space group and exhibits an interesting three-dimensional network comprising binuclear Cd(II) structural unit, which could be described as a (3,7)-connected topology. At room temperature, compound 1 exhibits strong fluorescence emission in the solid state.

GRAPHICAL ABSTRACT

Disclosure statement

No potential conflict of interest was reported by the author(s).

Additional information

Funding

This work was supported by the National Natural Science Foundation of China [grant number 21671094].

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