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Updated: May 25, 2026
05:34
Efficient Synthesis of Polyfunctionalized Benzenes in Water via Persulfate-promoted Benzannulation of α,β-Unsaturated Compounds and Alkynes
Published on: December 16, 2019
Structure and electronic properties of a benzene-water solution
Margarida P S Mateus1, Nuno Galamba, Benedito J Costa Cabral
1Grupo de Física Matemática da Universidade de Lisboa, Av. Professor Gama Pinto 2, 1649-003 Lisboa, Portugal.
The Journal of Chemical Physics
|January 14, 2012
Summary
Investigating benzene in water reveals hydration alters electronic properties. Water molecules gain order around benzene, and benzene
Area of Science:
- Computational Chemistry
- Physical Chemistry
- Quantum Chemistry
Background:
- Understanding the electronic properties of aromatic molecules in solution is crucial.
- Benzene's electronic structure can be significantly influenced by its aqueous environment.
Purpose of the Study:
- To investigate the electronic properties of benzene when hydrated.
- To analyze structural changes, polarization effects, and the ionization spectrum of benzene in water.
Main Methods:
- Sequential quantum mechanical/molecular dynamics (QM/MM) approach.
- Utilized a polarizable model for both benzene and water.
- Employed outer valence Green's function (OVGF) calculations.
Main Results:
- Observed enhanced orientational order of water molecules around benzene.
- Found minimal change in benzene's quadrupole moment upon hydration.
- Reported similar low-energy dynamic polarizability for gas-phase and hydrated benzene.
- Outer valence energy levels of benzene split upon hydration due to symmetry breaking and polarization.
Conclusions:
- Hydration induces significant changes in benzene's electronic structure, including orbital splitting and degeneracy lifting.
- Polarization effects from water molecules play a key role in altering benzene's electronic properties in solution.
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He proposed that benzene has a cyclic structure of six carbon atoms attached to one hydrogen atom each, with three alternating pi bonds.
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