Syntheses, crystal structures and thermal decomposition studies of two novel Mn(ii)-MOFs with tetrazole-based carboxylic acids

Jie Yang; Tianjiao Hou; Shunlin Zhang; Dunru Zhu

doi:10.1039/d2nj02192g

Syntheses, crystal structures and thermal decomposition studies of two novel Mn(ii)-MOFs with tetrazole-based carboxylic acids

Jie Yang, Tianjiao Hou, Shunlin Zhang, Dunru Zhu

College of Chemical Engineering

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

2 Scopus citations

Abstract

The tetrazole-based carboxylic acids can be used as difunctionalized ligands for the preparation of functional MOFs with novel topologies. Herein we chose two tetrazole-based carboxylic acids, 1,3-bis(2-carboxymethyltetrazol-5-yl)benzene (H₂L¹) and 2-(5-(3-pyridyl)tetrazol-2-yl)propionic acid (HL²), as ligands and synthesized two novel Mn(ii)-MOFs: [Mn(L¹)(DMF)(H₂O)]·0.375H₂O (1) and [Mn(L²)₂] (2) (DMF = N,N-dimethylformamide). These MOFs have been characterized by elemental analysis, FT-IR and single crystal X-ray diffraction. MOF 1 displays a 2D network with an sql topology, while MOF 2 shows a novel binodal 5,6-connected 3D framework with the Schläfli symbol of (3²·4⁴·6⁴)(3⁴·4⁶·6⁴·7). Differential scanning calorimetry and thermogravimetric analyses were adopted to investigate the thermal decomposition processes of the MOFs and the thermodynamic parameters (ΔH, ΔS and ΔG) were obtained.

Original language	English
Pages (from-to)	15434-15442
Number of pages	9
Journal	New Journal of Chemistry
Volume	46
Issue number	32
DOIs	https://doi.org/10.1039/d2nj02192g
State	Published - 20 Jul 2022

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title = "Syntheses, crystal structures and thermal decomposition studies of two novel Mn(ii)-MOFs with tetrazole-based carboxylic acids",

abstract = "The tetrazole-based carboxylic acids can be used as difunctionalized ligands for the preparation of functional MOFs with novel topologies. Herein we chose two tetrazole-based carboxylic acids, 1,3-bis(2-carboxymethyltetrazol-5-yl)benzene (H2L1) and 2-(5-(3-pyridyl)tetrazol-2-yl)propionic acid (HL2), as ligands and synthesized two novel Mn(ii)-MOFs: [Mn(L1)(DMF)(H2O)]·0.375H2O (1) and [Mn(L2)2] (2) (DMF = N,N-dimethylformamide). These MOFs have been characterized by elemental analysis, FT-IR and single crystal X-ray diffraction. MOF 1 displays a 2D network with an sql topology, while MOF 2 shows a novel binodal 5,6-connected 3D framework with the Schl{\"a}fli symbol of (32·44·64)(34·46·64·7). Differential scanning calorimetry and thermogravimetric analyses were adopted to investigate the thermal decomposition processes of the MOFs and the thermodynamic parameters (ΔH, ΔS and ΔG) were obtained.",

author = "Jie Yang and Tianjiao Hou and Shunlin Zhang and Dunru Zhu",

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AU - Zhu, Dunru

PY - 2022/7/20

Y1 - 2022/7/20

N2 - The tetrazole-based carboxylic acids can be used as difunctionalized ligands for the preparation of functional MOFs with novel topologies. Herein we chose two tetrazole-based carboxylic acids, 1,3-bis(2-carboxymethyltetrazol-5-yl)benzene (H2L1) and 2-(5-(3-pyridyl)tetrazol-2-yl)propionic acid (HL2), as ligands and synthesized two novel Mn(ii)-MOFs: [Mn(L1)(DMF)(H2O)]·0.375H2O (1) and [Mn(L2)2] (2) (DMF = N,N-dimethylformamide). These MOFs have been characterized by elemental analysis, FT-IR and single crystal X-ray diffraction. MOF 1 displays a 2D network with an sql topology, while MOF 2 shows a novel binodal 5,6-connected 3D framework with the Schläfli symbol of (32·44·64)(34·46·64·7). Differential scanning calorimetry and thermogravimetric analyses were adopted to investigate the thermal decomposition processes of the MOFs and the thermodynamic parameters (ΔH, ΔS and ΔG) were obtained.

AB - The tetrazole-based carboxylic acids can be used as difunctionalized ligands for the preparation of functional MOFs with novel topologies. Herein we chose two tetrazole-based carboxylic acids, 1,3-bis(2-carboxymethyltetrazol-5-yl)benzene (H2L1) and 2-(5-(3-pyridyl)tetrazol-2-yl)propionic acid (HL2), as ligands and synthesized two novel Mn(ii)-MOFs: [Mn(L1)(DMF)(H2O)]·0.375H2O (1) and [Mn(L2)2] (2) (DMF = N,N-dimethylformamide). These MOFs have been characterized by elemental analysis, FT-IR and single crystal X-ray diffraction. MOF 1 displays a 2D network with an sql topology, while MOF 2 shows a novel binodal 5,6-connected 3D framework with the Schläfli symbol of (32·44·64)(34·46·64·7). Differential scanning calorimetry and thermogravimetric analyses were adopted to investigate the thermal decomposition processes of the MOFs and the thermodynamic parameters (ΔH, ΔS and ΔG) were obtained.

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M3 - 文章

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JO - New Journal of Chemistry

JF - New Journal of Chemistry

IS - 32

ER -

Syntheses, crystal structures and thermal decomposition studies of two novel Mn(ii)-MOFs with tetrazole-based carboxylic acids

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