Related Experiment Video
Updated: May 24, 2026

Palladium N-Heterocyclic Carbene Complexes: Synthesis from Benzimidazolium Salts and Catalytic Activity in Carbon-carbon Bond-forming Reactions
Published on: July 30, 2017
(2,2'-Bipyridine-κN,N')bis-(4-chloro-benzoato-κO)zinc
This study details a new zinc(II) coordination compound featuring 4-chloro-benzoate and 2,2'-bipyridine ligands. The crystal structure reveals a distorted tetrahedral geometry and a 2D supramolecular network formed by hydrogen bonds and pi-stacking interactions.
Area of Science:
- Coordination Chemistry
- Crystal Engineering
- Supramolecular Chemistry
Background:
- Metal-organic compounds with diverse ligands are crucial for developing new materials.
- Understanding coordination geometries and intermolecular interactions aids in designing functional supramolecular architectures.
Purpose of the Study:
- To synthesize and characterize a novel zinc(II) coordination complex.
- To elucidate the coordination geometry and crystal packing of the complex.
- To investigate the role of intermolecular interactions in forming supramolecular structures.
Main Methods:
- Single-crystal X-ray diffraction analysis was employed to determine the molecular and crystal structure.
- Analysis of bond lengths, angles, and non-covalent interactions (hydrogen bonding, pi-stacking) was performed.
Main Results:
- The title compound, [Zn(C(7)H(4)ClO(2))(2)(C(10)H(8)N(2))], exhibits a distorted N(2)O(2) tetrahedral geometry around the Zn(II) center.
- The crystal structure is characterized by weak C-H⋯O hydrogen bonds and π-π stacking interactions between 2,2'-bipyridine ligands.
- These interactions facilitate the formation of a two-dimensional supramolecular structure parallel to the (100) plane.
Conclusions:
- The study successfully synthesized and structurally characterized a novel zinc(II) complex.
- The coordination environment and intermolecular forces dictate the formation of a 2D supramolecular assembly.
- This work contributes to the understanding of structure-property relationships in metal-organic materials.
Related Concept Videos
Coordination Number and Geometry
Reactions at the Benzylic Position: Oxidation and Reduction
Radical Chain-Growth Polymerization: Overview
Nucleophilic Aromatic Substitution: Elimination–Addition
Reactions at the Benzylic Position: Halogenation
ortho–para-Directing Activators: –CH3, –OH, –⁠NH2, –OCH3

![Cercosporin-Photocatalyzed [4+1]- and [4+2]-Annulations of Azoalkenes Under Mild Conditions](/_next/image?url=https%3A%2F%2Fcloudfront.jove.com%2FCDNSource%2Fteasers%2F60786.jpg&w=3840&q=50)