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Updated: Jul 9, 2026

Preparation of Contiguous Bisaziridines for Regioselective Ring-Opening Reactions
Published on: July 28, 2022
1,3-Bis[2-(dimethylaminomethyl)phenyl]triselenide.
Monika Kulcsar1, Anca Silvestru, Florentina Cziple
1Babes-Bolyai University, Faculty of Chemistry and Chemical Engineering, Arany Janos Street 11, RO-400028 Cluj-Napoca, Romania.
This study reveals unique intramolecular interactions in a novel selenium compound. These interactions dictate distinct coordination geometries for selenium atoms within the Se3 chain, influencing molecular structure.
Area of Science:
- Inorganic Chemistry
- Crystallography
- Materials Science
Background:
- Understanding molecular structure and bonding is crucial in chemistry.
- Selenium's unique electronic properties make it an interesting element for chemical research.
- Intramolecular interactions significantly influence the geometry and properties of chemical compounds.
Purpose of the Study:
- To investigate the structural characteristics of a novel C18H24N2Se3 compound.
- To analyze the role of intramolecular interactions on the coordination geometry of selenium atoms.
- To elucidate the bonding environment within the angular Se3 chain.
Main Methods:
- Single-crystal X-ray diffraction was employed to determine the molecular structure.
- Analysis of bond lengths, bond angles, and coordination environments.
- Computational chemistry methods may be used for further analysis (if applicable).
Main Results:
- The compound C18H24N2Se3 crystallizes as discrete molecules.
- Strong intramolecular nitrogen-selenium (N...Se) interactions were observed.
- Terminal selenium atoms exhibit tricoordinated, T-shaped environments, while the central selenium atom is dicoordinated.
Conclusions:
- Intramolecular N...Se interactions are key determinants of the coordination geometry in the Se3 chain.
- The study provides insights into the structural diversity of selenium-containing compounds.
- This research contributes to the understanding of chalcogen bonding and its structural implications.
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