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Updated: Jun 1, 2026

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Synthesis of Triazole and Tetrazole-Functionalized Zr-Based Metal-Organic Frameworks Through Post-Synthetic Ligand Exchange
Published on: June 23, 2023
Dibromido(4,4'-dimethyl-2,2'-bipyridine-κN,N')zinc(II)
Summary
This study details the crystal structure of a zinc bromide complex with a dimethyl-bipyridine ligand. The compound exhibits distorted tetrahedral coordination geometry around the zinc(II) ions, linked by C-H⋯Br interactions.
Area of Science:
- Coordination Chemistry
- Crystallography
- Materials Science
Background:
- Bipyridine ligands are crucial in coordination chemistry, influencing metal ion coordination.
- Zinc bromide complexes are investigated for their structural and electronic properties.
Purpose of the Study:
- To elucidate the crystal structure and coordination geometry of a novel zinc bromide complex containing 4,4'-dimethyl-2,2'-bipyridine.
- To understand the intermolecular interactions within the crystal lattice.
Main Methods:
- Single-crystal X-ray diffraction was employed to determine the molecular and crystal structure.
- Analysis of coordination geometry and intermolecular interactions (C-H⋯Br).
Main Results:
- The asymmetric unit contains two half-molecules, forming a complete [ZnBr2(C12H12N2)] molecule via crystallographic twofold axes.
- Zinc(II) ions exhibit distorted tetrahedral ZnN2Br2 coordination geometries.
- Intermolecular C-H⋯Br interactions are identified as the primary linking forces in the crystal structure.
Conclusions:
- The study successfully characterized the crystal structure of the target zinc complex.
- The findings provide insights into the coordination behavior of dimethyl-bipyridine ligands with zinc(II) and the role of hydrogen bonding in crystal packing.
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