Syntheses, structures, and magnetic properties of three supramolecular isomeric Cu(ii) square grid networks: Solvents effect on the ligand linkages

Gui Lei Liu; Jian Biao Song; Qi Ming Qiu; Hui Li

doi:10.1039/c9ce01940e

Syntheses, structures, and magnetic properties of three supramolecular isomeric Cu(ii) square grid networks: Solvents effect on the ligand linkages

Gui Lei Liu, Jian Biao Song, Qi Ming Qiu, Hui Li

School of Chemistry and Chemical Engineering

Research output: Contribution to journal › Article › peer-review

7 Citations (Scopus)

Abstract

Reactions of deprotonated (E)-3-(quinolin-4-yl) acrylic acid (QCA) with Cu(NO₃)₂ in different solvents/templates gave three supramolecular isomers: [Cu(QCA)₂]₂·6H₂O·(CH₃)₂CO (1), [Cu(QCA)₂]·5H₂O·CH₃OH (2) and [Cu(QCA)₂]·DMSO (3). Single-crystal X-ray diffraction analyses revealed that 1, 2 and 3 are all 2D square grid networks, but with different metal fragments and ligand conformations, based on the remarkable effect of solvents. Interestingly, a catenarian water pentamer and a water tape composed of cyclic water pentamers were observed in the crystal lattice of 1 and 2 respectively, which played a crucial role in not only the stabilization but also the template direction of the formation of the 3D stacking crystal host. Moreover, because of the different coordination modes and intramolecular interactions, 1, 2 and 3 showed different magnetic properties.

Original language	English
Pages (from-to)	1321-1329
Number of pages	9
Journal	CrystEngComm
Volume	22
Issue number	8
DOIs	https://doi.org/10.1039/c9ce01940e
Publication status	Published - 28 Feb 2020

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title = "Syntheses, structures, and magnetic properties of three supramolecular isomeric Cu(ii) square grid networks: Solvents effect on the ligand linkages",

abstract = "Reactions of deprotonated (E)-3-(quinolin-4-yl) acrylic acid (QCA) with Cu(NO3)2 in different solvents/templates gave three supramolecular isomers: [Cu(QCA)2]2·6H2O·(CH3)2CO (1), [Cu(QCA)2]·5H2O·CH3OH (2) and [Cu(QCA)2]·DMSO (3). Single-crystal X-ray diffraction analyses revealed that 1, 2 and 3 are all 2D square grid networks, but with different metal fragments and ligand conformations, based on the remarkable effect of solvents. Interestingly, a catenarian water pentamer and a water tape composed of cyclic water pentamers were observed in the crystal lattice of 1 and 2 respectively, which played a crucial role in not only the stabilization but also the template direction of the formation of the 3D stacking crystal host. Moreover, because of the different coordination modes and intramolecular interactions, 1, 2 and 3 showed different magnetic properties.",

author = "Liu, {Gui Lei} and Song, {Jian Biao} and Qiu, {Qi Ming} and Hui Li",

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year = "2020",

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doi = "10.1039/c9ce01940e",

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T1 - Syntheses, structures, and magnetic properties of three supramolecular isomeric Cu(ii) square grid networks

T2 - Solvents effect on the ligand linkages

AU - Liu, Gui Lei

AU - Song, Jian Biao

AU - Qiu, Qi Ming

AU - Li, Hui

PY - 2020/2/28

Y1 - 2020/2/28

N2 - Reactions of deprotonated (E)-3-(quinolin-4-yl) acrylic acid (QCA) with Cu(NO3)2 in different solvents/templates gave three supramolecular isomers: [Cu(QCA)2]2·6H2O·(CH3)2CO (1), [Cu(QCA)2]·5H2O·CH3OH (2) and [Cu(QCA)2]·DMSO (3). Single-crystal X-ray diffraction analyses revealed that 1, 2 and 3 are all 2D square grid networks, but with different metal fragments and ligand conformations, based on the remarkable effect of solvents. Interestingly, a catenarian water pentamer and a water tape composed of cyclic water pentamers were observed in the crystal lattice of 1 and 2 respectively, which played a crucial role in not only the stabilization but also the template direction of the formation of the 3D stacking crystal host. Moreover, because of the different coordination modes and intramolecular interactions, 1, 2 and 3 showed different magnetic properties.

AB - Reactions of deprotonated (E)-3-(quinolin-4-yl) acrylic acid (QCA) with Cu(NO3)2 in different solvents/templates gave three supramolecular isomers: [Cu(QCA)2]2·6H2O·(CH3)2CO (1), [Cu(QCA)2]·5H2O·CH3OH (2) and [Cu(QCA)2]·DMSO (3). Single-crystal X-ray diffraction analyses revealed that 1, 2 and 3 are all 2D square grid networks, but with different metal fragments and ligand conformations, based on the remarkable effect of solvents. Interestingly, a catenarian water pentamer and a water tape composed of cyclic water pentamers were observed in the crystal lattice of 1 and 2 respectively, which played a crucial role in not only the stabilization but also the template direction of the formation of the 3D stacking crystal host. Moreover, because of the different coordination modes and intramolecular interactions, 1, 2 and 3 showed different magnetic properties.

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JO - CrystEngComm

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Syntheses, structures, and magnetic properties of three supramolecular isomeric Cu(ii) square grid networks: Solvents effect on the ligand linkages

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