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Updated: Jun 1, 2026

Preparation of Stable Bicyclic Aziridinium Ions and Their Ring-Opening for the Synthesis of Azaheterocycles
Published on: August 22, 2018
Bis[diamminesilver(I)] 5-nitro-iso-phthalate monohydrate.
Di Sun1, Geng-Geng Luo, Na Zhang
1Department of Chemistry, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen 361005, People's Republic of China.
This study details the crystal structure of a silver compound, revealing nearly linear silver cations interacting with water molecules. Hydrogen bonds and π-π stacking interactions stabilize the overall 3D supramolecular network.
Area of Science:
- Crystal Engineering
- Coordination Chemistry
- Supramolecular Chemistry
Background:
- Understanding the assembly of supramolecular structures is crucial for designing novel materials.
- Silver coordination complexes offer diverse structural motifs and potential applications.
Purpose of the Study:
- To elucidate the crystal structure and intermolecular interactions of the title silver compound.
- To analyze the coordination geometry of silver cations and their interactions with ligands and solvent molecules.
Main Methods:
- Single-crystal X-ray diffraction was employed to determine the molecular and crystal structure.
- Analysis of hydrogen bonding and non-covalent interactions (π-π stacking, lone pair-π) was performed.
Main Results:
- The compound features a silver(I) complex with two ammine ligands, exhibiting near-linear coordination geometry.
- Silver cations interact with water molecules, with Ag⋯O distances of 2.725(4) and 2.985(4) Å.
- N-H⋯O and O-H⋯O hydrogen bonds, along with weak (lone pair)⋯π and π-π stacking interactions, stabilize the 3D supramolecular network.
Conclusions:
- The crystal structure is stabilized by a combination of hydrogen bonding and π-system interactions.
- The study provides insights into the self-assembly principles governing silver-containing supramolecular networks.
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