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Synthesis, Structure and Characterization of Pb(II) Coordination Polymer Constructed by 1,10-Phenanthroline Derivative and Succinic Acid

Kong Zhi

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Abstract

A coordination polymer,[Pb2(L1)2(L2)2](1)(H2L1=succinic acid and L2=2-(4-fluorophenyl)-1H-imidazo [4,5-f] [1,10]phenanthroline),has been hydrothermally synthesized and characterized by elemental analysis,IR spectroscopy,TGA and single-crystal X-ray diffraction.Crystal data: C46H30F2N8O8Pb2,monoclinic,space group P21/c,a=0.795 40(10) nm,b=2.649 0(3) nm,c=1.996 9(2) nm,β=99.784(2)°,V=4.146 3(9) nm3,Z=4,R=0.038 0,wR=0.0845.In 1,each L1 anion in a bis-chelating mode bridges Pb (Ⅱ) atoms to afford a one-dimensional(1D) chain structure.Neighboring 1D chains are linked together by π-π stackings among L2 ligands to yield a 3D supramolecular architecture.Finally,the N-H … O hydrogen-bonding interactions further stabilize the 3D supramolecular structure of 1.

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A coordination polymer,[Pb2(L1)2(L2)2](1)(H2L1=succinic acid and L2=2-(4-fluorophenyl)-1H-imidazo [4,5-f] [1,10]phenanthroline),has been hydrothermally synthesized and characterized by elemental analysis,IR spectroscopy,TGA and single-crystal X-ray diffraction.Crystal data: C46H30F2N8O8Pb2,monoclinic,space group P21/c,a=0.795 40(10) nm,b=2.649 0(3) nm,c=1.996 9(2) nm,β=99.784(2)°,V=4.146 3(9) nm3,Z=4,R=0.038 0,wR=0.0845.In 1,each L1 anion in a bis-chelating mode bridges Pb (Ⅱ) atoms to afford a one-dimensional(1D) chain structure.Neighboring 1D chains are linked together by π-π stackings among L2 ligands to yield a 3D supramolecular architecture.Finally,the N-H … O hydrogen-bonding interactions further stabilize the 3D supramolecular structure of 1.

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Available abstract

A coordination polymer,[Pb2(L1)2(L2)2](1)(H2L1=succinic acid and L2=2-(4-fluorophenyl)-1H-imidazo [4,5-f] [1,10]phenanthroline),has been hydrothermally synthesized and characterized by elemental analysis,IR spectroscopy,TGA and single-crystal X-ray diffraction.Crystal data: C46H30F2N8O8Pb2,monoclinic,space group P21/c,a=0.795 40(10) nm,b=2.649 0(3) nm,c=1.996 9(2) nm,β=99.784(2)°,V=4.146 3(9) nm3,Z=4,R=0.038 0,wR=0.0845.In 1,each L1 anion in a bis-chelating mode bridges Pb (Ⅱ) atoms to afford a one-dimensional(1D) chain structure.Neighboring 1D chains are linked together by π-π stackings among L2 ligands to yield a 3D supramolecular architecture.Finally,the N-H … O hydrogen-bonding interactions further stabilize the 3D supramolecular structure of 1.

Key concepts: Monoclinic crystal system, Supramolecular chemistry, Phenanthroline, Crystallography, Hydrogen bond, Crystal structure, Coordination polymer, Chemistry

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Synthesis, Structure and Characterization of Pb(II) Coordination Polymer Constructed by 1,10-Phenanthroline Derivative and Succinic Acid — Research Paper | ScholarLens