What is it about?

The peculiar bonding situation in γ boron is characterized by a topological analysis of the electron-density distribution revealing one-electron–two-center bonds connecting neighboring icosahedral B12 clusters.

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Why is it important?

A unique polar-covalent two-electron–three-center bond between a pair of atoms of an icosahedral cluster and one atom of the interstitial B2 dumbbell is discussed.

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This page is a summary of: Electron-Deficient and Polycenter Bonds in the High-Pressureγ−B28Phase of Boron, Physical Review Letters, May 2011, American Physical Society (APS), DOI: 10.1103/physrevlett.106.215502.
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