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Design and Validation of a Volumetric-extrusion Bioprinter for Bioprinting of Soluble Basement Membrane Extract for Translational Research
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B

Xue Dong1, William Tiznado2, Yu-Qian Liu1

  • 1Institute of Atomic and Molecular Physics, Jilin University, Changchun, 130023, China.

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|June 2, 2023
PubMed
Summary
This summary is machine-generated.

Researchers created the first beryllium-boron sandwich complex, B7Be6B7. This stable structure features a unique monocyclic beryllium ring between two boron clusters, showcasing novel bonding interactions.

Keywords:
AromaticityBondingGlobal MinimumSandwichStability

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Area of Science:

  • Inorganic Chemistry
  • Materials Science
  • Computational Chemistry

Background:

  • Planar boron clusters exhibit delocalized π-bonding, analogous to aromatic arenes.
  • Boron clusters have not previously formed stable sandwich complexes, unlike arenes.

Purpose of the Study:

  • To synthesize and characterize the first sandwich complex involving beryllium and boron.
  • To investigate the structural, electronic, and bonding properties of the novel B7Be6B7 cluster.

Main Methods:

  • Computational modeling to determine the global minimum structure.
  • Analysis of thermochemical and kinetic stability.
  • Chemical bonding analysis and electron delocalization studies.

Main Results:

  • The global minimum structure of B7Be6B7 exhibits D6h symmetry.
  • An unprecedented monocyclic Be6 ring is sandwiched between two quasi-planar B7 motifs.
  • Strong electrostatic and covalent interactions contribute to the cluster's stability, described as [B7]3-[Be6]6+-[B7]3-.

Conclusions:

  • The study presents the first stable beryllium-boron sandwich complex, B7Be6B7.
  • The unique structure and bonding demonstrate significant electron delocalization within the cluster.
  • This finding expands the scope of known sandwich complexes and boron cluster chemistry.