Mixed ligand coordination polymer based on 5-nitroisophthalic acid and 1-(4-nitrophenyl)-1,2,4-triazole: Synthesis, characterization, magnetic and photocatalytic properties

• Copper new 4-substituted-1,2,4-triazole’s derivatives coordination polymers.
• Infinite ladder-like one-dimensional chain.
• The antiferromagnetic interactions exist between the adjacent CuII ions.
• Highly photocatalytic degradation activity for the degradation of rhodamine B, methylene blue and methyl orange.

A new Cu(II) coordination polymer, namely, [Cu(NPT)2(NO2-BDC)]n (1) (NO2-H2BDC = 5-nitro-1,3-benzenedicarboxylic acid, NPT = 4-(4-nitrophenyl)-1,2,4-triazole) has been synthesized under hydrothermal condition and characterized by elemental analysis, and single-crystal X-ray diffraction. Single-crystal X-ray diffraction study reveals that complex 1 features one-dimensional chain structure. The magnetic studies reveal that the antiferromagnetic interactions exist between the adjacent CuII ions. Moreover, complex 1 displays highly photocatalytic degradation activity for the degradation of rhodamine B, methylene blue and methyl orange.

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