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Updated: Jun 13, 2026

Magnetometric Characterization of Intermediates in the Solid-State Electrochemistry of Redox-Active Metal-Organic Frameworks
Published on: June 9, 2023
Magneto-structural correlations of a three-dimensional Mn based metal-organic framework
Muhammad Arif Nadeem1, Donald J Craig, Roland Bircher
1School of Chemistry, University of New South Wales, Sydney, NSW 2052, Australia.
Researchers synthesized a novel 3D metal-organic framework using hydrothermal methods. Magnetic susceptibility studies revealed dominant antiferromagnetic interactions within the manganese-based chains, with no magnetic ordering observed down to 2 K.
Area of Science:
- Inorganic Chemistry
- Materials Science
- Crystallography
Background:
- Metal-organic frameworks (MOFs) are porous materials with diverse applications.
- Manganese-based MOFs are of interest due to their magnetic properties.
- Understanding the structure-property relationships in MOFs is crucial for designing new materials.
Purpose of the Study:
- To synthesize and characterize a novel 3D metal-organic framework containing manganese.
- To investigate the magnetic properties of the synthesized MOF.
- To determine the crystal structure and magnetic exchange interactions.
Main Methods:
- Hydrothermal synthesis
- Single crystal X-ray diffraction analysis
- Variable temperature magnetic susceptibility measurements
Main Results:
- A new 3D metal-organic framework, [Na{Mn(3)(Hbtc)(2)(btc)}.5H(2)O](n), was successfully synthesized.
- The crystal structure was determined, revealing a monoclinic space group P2/c.
- Magnetic susceptibility data indicated dominant antiferromagnetic exchange interactions with J(1) = -2.4 cm(-1) and J(2) = -0.6 cm(-1).
Conclusions:
- The synthesized compound is isostructural to MIL-45.
- The material exhibits one-dimensional magnetic behavior due to intra-chain interactions.
- No magnetic ordering was observed between 300 K and 2 K, suggesting negligible inter-chain interactions.
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