<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>

Explain the differences in properties of diamond and graphite on the basis of their structures