<Ul> <Li> The Laves graph or K crystal is a theoretically - predicted three - dimensional crystalline metastable carbon structure in which each carbon atom is bonded to three others, at 120 ° angles (like graphite), but where the bond planes of adjacent layers lie at an angle of 70.5 °, rather than coinciding </Li> <Li> Penta - graphene </Li> <Li> Haeckelites Ordered arrangements of pentagons, hexagons, and heptagons which can either be flat or tubular . </Li> <Li> Phagraphene Graphene allotrope with distorted Dirac cones . </Li> <Li> Novamene A combination of both hexagonal diamond and sp hexagons as in graphene . </Li> <Li> Protomene A hexagonal crystal structure with a fully relaxed primitive cell involving 48 atoms . Of these, 12 atoms have the potential to switch hybridization between sp and sp, forming dimers . </Li> </Ul> <Li> The Laves graph or K crystal is a theoretically - predicted three - dimensional crystalline metastable carbon structure in which each carbon atom is bonded to three others, at 120 ° angles (like graphite), but where the bond planes of adjacent layers lie at an angle of 70.5 °, rather than coinciding </Li> <Li> Penta - graphene </Li> <Li> Haeckelites Ordered arrangements of pentagons, hexagons, and heptagons which can either be flat or tubular . </Li>

Information about allotropes of carbon and their applications