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Updated: May 22, 2026

Amide Coupling Reaction for the Synthesis of Bispyridine-based Ligands and Their Complexation to Platinum as Dinuclear Anticancer Agents
Published on: May 28, 2014
trans-Dichloridobis(quinoline-κN)platinum(II).
1School of Applied Chemical Engineering, The Research Institute of Catalysis, Chonnam National University, Gwangju 500-757, Republic of Korea.
This study details the crystal structure of a platinum(II) complex with quinoline ligands. The complex exhibits square-planar geometry and forms stacked columns in the crystal lattice due to pi-pi interactions.
Area of Science:
- Coordination Chemistry
- Crystallography
- Materials Science
Background:
- Platinum(II) complexes are investigated for diverse applications.
- Understanding the solid-state structure of metal complexes is crucial for predicting their properties.
Purpose of the Study:
- To elucidate the crystal structure and intermolecular interactions of the trans-[PtCl(2)(quinoline)(2)] complex.
- To analyze the coordination geometry and packing arrangement of the platinum complex in the solid state.
Main Methods:
- Single-crystal X-ray diffraction was employed to determine the molecular and crystal structure.
- Analysis of bond lengths, angles, and intermolecular distances was performed.
Main Results:
- The platinum(II) ion adopts a square-planar geometry coordinated by two nitrogen atoms from quinoline ligands and two chloride anions.
- The complex molecules form columns along the b axis in the crystal lattice.
- Intermolecular pi-pi interactions between pyridine rings of adjacent quinoline ligands were observed, with a shortest centroid-centroid distance of 3.733 Å.
Conclusions:
- The crystal structure reveals a well-defined square-planar Pt(II) coordination environment.
- The observed pi-pi stacking suggests potential for self-assembly and influences the material's properties.
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