ISSN 2630-0583 (Print)

ISSN 2630-0656 (Online)

JCST

Journal of Current Science and Technology

http://jcst.rsu.ac.th

Journal of Current Science and Technology. Vol.9 No.2 , July - December 2019.

Synthesis and characterization of a new copper(II) coordination polymer with mixed ligands of tetrabromoterephthalic acid and imidazole

Kodchakorn Samakun, Chatphorn Theppitak, Suwadee Jiajaroen, Winya Dungkaew, Taradon Piromchat, and Kittipong Chainok

Abstract

         A new copper(II) coordination polymer containing mixed ligands of tetrabromoterephthalate (Br4tp) and imidazole (Im), [Cu(Br4tp)(Im)(H2O)] (1), was successfully synthesized and characterized by single crystal X-ray diffraction, powder X-ray diffraction, elemental analysis, infrared spectroscopy, and thermogravimetric analysis.  The single crystal X-ray diffraction analysis at 100(2) K and 296(2) K revealed that 1 crystallizes in the centrosymmetric monoclinic with space group C2/c, and displays a two-dimensional sheet with a binodal (3,4)-connected net.  Compound 1 exhibited thermal stability up to 240 °C.

Keywords: coordination polymer, copper(II), crystal structure, imidazole, mixed ligands, thermal decomposition

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DOI: 10.14456/jcst.2019.13