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Beta-Sm(OH)2Cl: a new lamellar variety
Cyril Jouve1, Jerome Marrot, Didier Riou
1Institut Lavoisier, IREM, UMR CNRS C 8637, Université de Versailles Saint-Quentin-en-Yvelines, 45 Avenue des Etats Unis, 78035 Versailles CEDEX, France.
Acta Crystallographica. Section C, Crystal Structure Communications
|January 10, 2002
Summary
Hydrothermal synthesis yielded dihydroxysamarium chloride crystals. Single-crystal X-ray diffraction revealed a lamellar orthorhombic structure stabilized by hydrogen bonds.
Area of Science:
- Inorganic Chemistry
- Crystallography
- Materials Science
Background:
- Samarium oxychlorides are compounds with potential applications.
- Understanding their crystal structures is key to their properties.
Purpose of the Study:
- To synthesize and characterize dihydroxysamarium chloride crystals.
- To determine the crystal structure of beta-Sm(OH)2Cl.
Main Methods:
- Hydrothermal synthesis at 473 K.
- Single-crystal X-ray diffraction analysis.
Main Results:
- Successfully synthesized dihydroxysamarium chloride crystals.
- Determined the orthorhombic crystal structure.
- Identified a lamellar structure composed of neutral slabs.
- Observed that all atoms lie on crystallographic mirror planes.
- Confirmed stabilization by strong hydrogen bonds between hydroxyl groups and chloride ions.
Conclusions:
- Beta-Sm(OH)2Cl possesses a unique lamellar structure.
- Hydrogen bonding plays a crucial role in stabilizing the crystal structure.