A New Zn(II) Two-dimensional Coordination Polymer: Synthesis, Structure, Highly Efficient Fluorescence and DFT Study

A new two-dimensional coordinate polymer, {[Zn2(pbmpd)(H2O)4]·(H2O)}n (H4pbmpd = 1,1'-(1,4-phenylenebis(methylene))bis-(1H-pyrazole-3,5-dicarboxylic acid)), has been hydrothermally synthesized and characterized by IR spectrum, elemental analysis,TGA and X-ray single-crystal/powder diffraction....

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Main Author: Fen-Fang Li
Format: Article
Language:English
Published: Slovenian Chemical Society 2022-09-01
Series:Acta Chimica Slovenica
Subjects:
Online Access:https://journals.matheo.si/index.php/ACSi/article/view/7500
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author Fen-Fang Li
author_facet Fen-Fang Li
author_sort Fen-Fang Li
collection DOAJ
description A new two-dimensional coordinate polymer, {[Zn2(pbmpd)(H2O)4]·(H2O)}n (H4pbmpd = 1,1'-(1,4-phenylenebis(methylene))bis-(1H-pyrazole-3,5-dicarboxylic acid)), has been hydrothermally synthesized and characterized by IR spectrum, elemental analysis,TGA and X-ray single-crystal/powder diffraction. Structural analyses reveal that complex 1 exhibits a two-dimensional sheet structure in the crystal lattice. In complex 1, the carboxylic oxygen atoms and conjugated N atoms of pbmpd4- bridge zinc(II) ions form indefinitely zigzag shaped one-dimensional chains through p···p stacking interactions which are further connected by [ZnO6] units to form a novel two-dimensional structure. Finally, p···p stacking interactions and intermolecular hydrogen bonds assemble the two dimensional networks into a three-dimensional framework. Furthermore, the luminescent properties are also discussed. Interestingly, the solid state photoluminescence properties of the title polymer show the enhancement effect of spectrum. Density functional theory (DFT) calculations were used to support the experimental data.
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spelling doaj.art-df3bb40b877e46fb875d9ede71cb137d2023-01-03T11:29:15ZengSlovenian Chemical SocietyActa Chimica Slovenica1318-02071580-31552022-09-0169359660310.17344/acsi.2022.75001091A New Zn(II) Two-dimensional Coordination Polymer: Synthesis, Structure, Highly Efficient Fluorescence and DFT StudyFen-Fang Li0Jinzhong universityA new two-dimensional coordinate polymer, {[Zn2(pbmpd)(H2O)4]·(H2O)}n (H4pbmpd = 1,1'-(1,4-phenylenebis(methylene))bis-(1H-pyrazole-3,5-dicarboxylic acid)), has been hydrothermally synthesized and characterized by IR spectrum, elemental analysis,TGA and X-ray single-crystal/powder diffraction. Structural analyses reveal that complex 1 exhibits a two-dimensional sheet structure in the crystal lattice. In complex 1, the carboxylic oxygen atoms and conjugated N atoms of pbmpd4- bridge zinc(II) ions form indefinitely zigzag shaped one-dimensional chains through p···p stacking interactions which are further connected by [ZnO6] units to form a novel two-dimensional structure. Finally, p···p stacking interactions and intermolecular hydrogen bonds assemble the two dimensional networks into a three-dimensional framework. Furthermore, the luminescent properties are also discussed. Interestingly, the solid state photoluminescence properties of the title polymer show the enhancement effect of spectrum. Density functional theory (DFT) calculations were used to support the experimental data.https://journals.matheo.si/index.php/ACSi/article/view/7500zn(ii) complexcrystal structure1,1'-(1,4- phenylenebis(methylene)) bis-(1h-pyrazole-3,5-dicarboxylic acid)fluorescence propertydft study
spellingShingle Fen-Fang Li
A New Zn(II) Two-dimensional Coordination Polymer: Synthesis, Structure, Highly Efficient Fluorescence and DFT Study
Acta Chimica Slovenica
zn(ii) complex
crystal structure
1,1'-(1,4- phenylenebis(methylene)) bis-(1h-pyrazole-3,5-dicarboxylic acid)
fluorescence property
dft study
title A New Zn(II) Two-dimensional Coordination Polymer: Synthesis, Structure, Highly Efficient Fluorescence and DFT Study
title_full A New Zn(II) Two-dimensional Coordination Polymer: Synthesis, Structure, Highly Efficient Fluorescence and DFT Study
title_fullStr A New Zn(II) Two-dimensional Coordination Polymer: Synthesis, Structure, Highly Efficient Fluorescence and DFT Study
title_full_unstemmed A New Zn(II) Two-dimensional Coordination Polymer: Synthesis, Structure, Highly Efficient Fluorescence and DFT Study
title_short A New Zn(II) Two-dimensional Coordination Polymer: Synthesis, Structure, Highly Efficient Fluorescence and DFT Study
title_sort new zn ii two dimensional coordination polymer synthesis structure highly efficient fluorescence and dft study
topic zn(ii) complex
crystal structure
1,1'-(1,4- phenylenebis(methylene)) bis-(1h-pyrazole-3,5-dicarboxylic acid)
fluorescence property
dft study
url https://journals.matheo.si/index.php/ACSi/article/view/7500
work_keys_str_mv AT fenfangli anewzniitwodimensionalcoordinationpolymersynthesisstructurehighlyefficientfluorescenceanddftstudy
AT fenfangli newzniitwodimensionalcoordinationpolymersynthesisstructurehighlyefficientfluorescenceanddftstudy