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Updated: Jun 21, 2026
From Molecules to Materials: Engineering New Ionic Liquid Crystals Through Halogen Bonding
Published on: March 24, 2018
Cation-pi-anion interaction in alkali ion-benzene-halogen ion clusters
Margarita Albertí1, Antonio Aguilar, Fernando Pirani
1IQTCUB, Departament de Química Física, Universitat de Barcelona, Barcelona, Spain. m.alberti@ub.edu
This study models ternary ion-benzene aggregates, extending previous work on binary systems. The new semiempirical model accurately predicts aggregate configurations and dynamics by balancing forces and including electrostatic interactions.
Area of Science:
- Physical Chemistry
- Computational Chemistry
- Chemical Physics
Background:
- Previous studies explored binary M(+)-benzene and X(-)-benzene systems.
- Investigating ternary M(+)-benzene-X(-) aggregates presents increased complexity.
Purpose of the Study:
- To extend a semiempirical model for intermolecular potential energy to ternary ion-benzene systems.
- To accurately represent the interactions within M(+)-benzene-X(-) aggregates.
Main Methods:
- Developed and applied an extended semiempirical model.
- Incorporated ion-bond interactions, electrostatic components, and benzene quadrupole moment.
- Accounted for Coulombic attraction and nonadditive induction energy effects.
Main Results:
- Achieved an analytical functional representation for ternary compounds.
- The model provides the potential energy surface in a convenient analytical form.
- Successfully predicted stable/unstable configurations and energy barriers.
Conclusions:
- The semiempirical methodology is effective for studying ternary ion-benzene aggregates.
- The model aids in predicting key features influencing molecular dynamics.
- Enables detailed investigation of ion-benzene aggregate behavior.
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