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Updated: Jun 5, 2026

Synthesis of a Water-soluble Metal–Organic Complex Array
Published on: October 8, 2016
Acetato(1,10-phenanthroline-5,6-dione)silver(I) trihydrate.
Jonathan Onuegbu1, Ray J Butcher, Charles Hosten
1Department of Chemistry, Howard University, 525 College Street NW, Washington, DC 20059, USA.
This study details the crystal structure of a silver(I) compound featuring 1,10-phenanthroline-5,6-dione and acetate ligands. Extensive hydrogen bonding networks involving water molecules stabilize the overall structure.
Area of Science:
- Coordination Chemistry
- Crystal Engineering
- Supramolecular Chemistry
Background:
- Metal-organic compounds offer diverse structural possibilities.
- 1,10-phenanthroline-5,6-dione is a versatile ligand in coordination chemistry.
- Hydrogen bonding plays a crucial role in crystal structure determination.
Purpose of the Study:
- To elucidate the crystal structure of a novel silver(I) complex.
- To investigate the coordination environment around the silver(I) ion.
- To analyze the intermolecular interactions, including hydrogen bonding and C-H...O interactions.
Main Methods:
- Single-crystal X-ray diffraction analysis was employed.
- The crystal structure was solved and refined.
- Hydrogen bonding networks and other non-covalent interactions were identified.
Main Results:
- The crystal structure of [Ag(C(2)H(3)O(2))(C(12)H(6)N(2)O(2))]·3H(2)O was determined.
- The Ag(I) atom exhibits coordination to two nitrogen atoms of 1,10-phenanthroline-5,6-dione and one oxygen atom of the acetate anion.
- Extensive hydrogen bonding was observed between water molecules, acetate groups, and the phenanthroline-dione ligand, alongside weak C-H⋯O interactions.
Conclusions:
- The coordination chemistry of silver(I) with 1,10-phenanthroline-5,6-dione and acetate results in a stable supramolecular structure.
- Hydrogen bonding is a key factor in the self-assembly and stabilization of this metal-organic framework.
- The study provides insights into the structural features and intermolecular forces governing such coordination compounds.
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