Boron Clusters

Besides the conventional allotrope of the p-block non-metal element boron, like $$\alpha $$ -rhombohedral, $$\beta $$ -rhombohedral, and $$\gamma $$ -orthorhombic solids, and of the p-block non-metal element carbon, like graphite, diamond of many of organic structures, there are a lot of boron and carbon non-conventional structures in the form of clusters, nanotubes, nanocages and nanosheets. These nanostructures present the nanomaterials of both boron and carbon atoms.