Double aromaticity in a BBe₆H₆⁺ cluster with a planar hexacoordinate boron structure

Area of Science:

• * Computational Chemistry
• * Inorganic Chemistry
• * Materials Science

Background:

• * Aromaticity is a fundamental concept in chemistry, crucial for the stability of molecular structures.
• * Boron clusters are known for their unique structural motifs and electronic properties.

Purpose of the Study:

• * To theoretically predict and characterize a novel cationic BBe6H6 cluster.
• * To investigate the aromaticity and stability of a planar hexacoordinate boron structure.

Main Methods:

• * Theoretical prediction using computational chemistry methods.
• * Analysis of electronic structure and bonding to confirm aromaticity.
• * Molecular dynamics simulations to assess thermal stability.

Main Results:

• * Discovery of a cationic BBe6H6 cluster with a planar hexacoordinate boron core.
• * Confirmation of 2π/6σ double aromaticity, contributing to cluster stabilization.
• * Demonstration of dynamic stability well above room temperature.

Conclusions:

• * The predicted BBe6H6 cluster represents a new class of aromatic inorganic compounds.
• * The findings expand the understanding of aromaticity in multi-atom systems.
• * This research opens avenues for designing novel stable boron-based materials.