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Fluorescent sensing and Magnetic properties of three coordination polymers based on 6-(3,5-dicarboxylphenyl)nicotinic acid and pyridine/imidazole linkers

Abstract

Three new coordination polymers (CPs), formulated as {[Ni (HDCPN) (4,4′-bpy) (CH3CH2OH) (H2O)2]•0.5 CH3CH2OH}n (1), {[Ni3(DCPN)2 (4,4-bibp)4 (H2O)4]•2CH3CH2OH•5H2O}n (2), {[Cu3 (DCPN)2 (1,3-bimb)3] 6H2O•2DMF}n (3), ((H3DCPN=6-(3,5-dicarboxylphenyl)nicotinic acid and 1,3-bimb=1,3-Bis(imidazol-1-ylmethyl)benene, 4,4′-bpy = 4,4′-bipyridine, 4,4'-bibp=4,4'-bis(benzoimiazo-1-yl)biphenyl) have been synthesized under hydrothermal environments. Both CPs have been researched in depth by single-crystal X-ray diffraction analyses, elemental analyses (EA), IR spectra, thermogravimetric analyses (TGA) and X-ray diffraction powders (PXRD). The structural analyses reveal that complex 1 exhibits a traditional 2-nodal (3,5)-{63}{69.8}-hms network, complex 2 affords a new 2D {63}{65.8}, while complex 3 displays a novel 3D (3,4)-c pillar-layered architecture with the point symbol of {63}2{64.8.10}3. Furthermore, the magnetic studies show that complexes 1 and 2 exhibit antiferromagnetic properties. In addition, the fluorescent measurements show that 3 presents highly sensitive and selective detection for nitroaromatics as well as Fe3+ions.

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Supplementary files

Publication details

The article was received on 08 Feb 2019, accepted on 29 Apr 2019 and first published on 08 May 2019


Article type: Paper
DOI: 10.1039/C9NJ00682F
New J. Chem., 2019, Accepted Manuscript

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    Fluorescent sensing and Magnetic properties of three coordination polymers based on 6-(3,5-dicarboxylphenyl)nicotinic acid and pyridine/imidazole linkers

    J. Zhang, L. Gao, Y. Wang, L. Zhai, X. Wang, X. Niu and T. Hu, New J. Chem., 2019, Accepted Manuscript , DOI: 10.1039/C9NJ00682F

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