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Synthesis of Hypervalent Iodonium Alkynyl Triflates for the Application of Generating Cyanocarbenes
Published on: September 8, 2013
Ethyl-enedi-ammonium chloride thio-cyanate
Sahel Karoui1, Slaheddine Kamoun, François Michaud
1Laboratoire de Génie des Matériaux et Environnement, École Nationale d'Ingénieurs de Sfax, BP 1173, Sfax, Tunisia.
Summary
The crystal structure of ethyl-enedi-ammonium chloride thiocyanate reveals a specific N-C-C-N torsion angle. An extensive 3D hydrogen bond network involving chloride and thiocyanate ions stabilizes the crystal lattice.
Area of Science:
- Crystal Engineering
- Supramolecular Chemistry
- Solid-State Chemistry
Background:
- Understanding the relationship between molecular structure and crystal packing is crucial in materials science.
- Hydrogen bonding plays a significant role in stabilizing crystal structures.
- Ethyl-enedi-ammonium salts offer a versatile platform for studying hydrogen bonding interactions.
Purpose of the Study:
- To determine the crystal structure of ethyl-enedi-ammonium chloride thiocyanate.
- To analyze the hydrogen bonding network within the crystal.
- To investigate the conformational preferences of the ethyl-enedi-ammonium dication.
Main Methods:
- Single-crystal X-ray diffraction was employed to elucidate the crystal structure.
- Analysis of N-C-C-N torsion angles provided insights into conformational preferences.
- Intermolecular interactions, specifically hydrogen bonds (N-H⋯Cl and N-H⋯N), were identified and characterized.
Main Results:
- The crystal structure of C2H10N2 (2+)·Cl(-)·SCN(-) was successfully determined.
- A significant N-C-C-N torsion angle of 72.09° was observed in the ethyl-enedi-ammonium dication.
- An extensive three-dimensional hydrogen-bonding network was identified, involving both chloride and thiocyanate anions.
Conclusions:
- The crystal structure is stabilized by a robust 3D hydrogen-bonding network.
- The observed torsion angle indicates a specific conformation adopted by the ethyl-enedi-ammonium dication in the solid state.
- This study contributes to the understanding of crystal packing in ionic salts with polyatomic anions.
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