Methyne Capping in the Boron Buckyball : A Viable Possibility

Details Methyne Capping in the Boron Buckyball : A Viable Possibility Methyne Capping in the Boron Buckyball : A Viable Possibility

2009-05-22

arxiv.org/abs/0905.3707v1

Physics

Condensed Matter

Materials Science

3 pages, 5 figures, 4 tables

Scientific paper

We report the electronic structure of methyne boron buckyballs B68(CH)12 and B72(CH)8 obtained by substituting respectively 12 and 8 boron cap atoms by methyne CH groups on the boron buckyball B80. DFT calculations and minimization techniques have been employed to characterize the structural and electronic properties of endo and exo isomers of these molecules in Th symmetry. A vibrational frequencies analysis predicts that only endo-B72(CH)8 corresponds to a true minimum on the potential energy hypersurface with a cohesive energy similar to the boron buckyball. The viable existence of this carboron buckyball opens new perspectives for a synthesis of large boron clusters.

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