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[Ag2M(Te2O5)2]SO4 (M = CeIV or ThIV): A New Purely Inorganic d/f-Heterometallic Cationic Material
Todd N Poe1, Frankie D White2, Vanessa Proust2
1Department of Chemistry and Biochemistry , Bloomsburg University of Pennsylvania , 400 East Second Street , Bloomsburg , Pennsylvania 17815 , United States.
Inorganic Chemistry
|April 17, 2018
Summary
Two novel inorganic cationic materials containing silver, cerium, or thorium were synthesized. These materials feature a unique 3D tellurite framework with specific pore structures and linear silver coordination.
Area of Science:
- Inorganic Chemistry
- Materials Science
- Crystallography
Background:
- Development of novel d/f-heterometallic materials is crucial for advanced applications.
- Tellurite-based frameworks offer unique structural and electronic properties.
Purpose of the Study:
- Synthesize and characterize new isotypic d/f-heterometallic inorganic cationic materials.
- Investigate the structural framework and metal coordination within these novel compounds.
Main Methods:
- Mild hydrothermal synthesis using metal oxides, silver nitrate, and sulfuric acid.
- Single-crystal X-ray diffraction for detailed structural analysis.
Main Results:
- Successful synthesis of two new isotypic materials: [Ag2M(Te2O5)2]SO4 (M = CeIV or ThIV).
- A 3D framework of corner-sharing Te2O5^2- units was identified.
- Four unique pores were observed, with three hosting MIV and AgI centers, and sulfate anions in the largest pore.
- AgI centers exhibit a ligand-imposed linear geometry.
Conclusions:
- The synthesized materials represent a new class of d/f-heterometallic inorganic cationic compounds.
- The tellurite framework dictates the overall structure and ion hosting capabilities.
- The linear AgI coordination is a notable structural feature.
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