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Construction of a photoluminescent Zn(II)-based 2D MOF via in situ cis-trans isomerization of cis,cis-muconate ligand

Chatterjee, T and Hossain, E and Khan, S and Roy, S and Wabaidur, SM and Islam, MA and Alam, SM and Mir, MH (2023) Construction of a photoluminescent Zn(II)-based 2D MOF via in situ cis-trans isomerization of cis,cis-muconate ligand. In: Journal of Molecular Structure, 1271 .

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Official URL: https://doi.org/10.1016/j.molstruc.2022.134011


A Zn(II) based two-dimensional (2D) metal-organic framework (MOF) [Zn3(cis,trans-muco)3(4,4′-bpy)3]·4H2O (1) has been synthesized by slow diffusion method using cis,cis-muconic acid (H2cis,cis-muco) and 4,4′-bipyridine (4,4′-bpy) mixed ligands. The synthesized compound 1 has been structurally characterized by single crystal X-ray diffraction (SCXRD), powder X-ray diffraction (PXRD) techniques, and thermogravimetric analysis (TGA). The solid-state structure of 1 reveals in situ cis,cis- to cis, trans- isomerization of muconate ligand under visible light, which predominately coordinates to Zn(II). The compound 1 comprises binuclear Zn2 secondary building units (SBUs) which propagate in ab plane to furnish 2D framework with (4,4) net topology. Interestingly, compound 1 shows photoluminescence property and can be used as luminescent probe. The non-covalent interactions within the compound 1 have been investigated by means of Hirshfeld surface analysis.

Item Type: Journal Article
Publication: Journal of Molecular Structure
Publisher: Elsevier B.V.
Additional Information: The copyright for this article belongs to Elsevier B.V.
Keywords: Isomerization; Ligands; Metal analysis; Metal-Organic Frameworks; Photoluminescence; Single crystals; Surface analysis; Thermogravimetric analysis; X ray diffraction; Zinc compounds, 2D metal; Bipyridines; Cis/trans Isomerization; Hirshfeld analyse; In situ isomerization; Isomerisation; Metalorganic frameworks (MOFs); Synthesised; Two-dimensional; Zn(II), Isomers
Department/Centre: Division of Chemical Sciences > Solid State & Structural Chemistry Unit
Date Deposited: 06 Oct 2022 06:19
Last Modified: 06 Oct 2022 06:19
URI: https://eprints.iisc.ac.in/id/eprint/77130

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