Graphane is a two-dimensional polymer of carbon and hydrogen with the formula unit (CH)n where n is large.

The authors viewed the panorama as "a whole range of new two-dimensional crystals with designed electronic and other properties".

[4] The structure was found, using a cluster expansion method, to be the most stable of all the possible hydrogenation ratios of graphene.

[1] This group named the predicted compound graphane, because it is the fully saturated version of graphene.

Graphane is effectively made up of cyclohexane units, and, in parallel to cyclohexane, the most stable structural conformation is not planar, but an out-of-plane structure, including the chair and boat conformers, in order to minimize ring strain and allow for the ideal tetrahedral bond angle of 109.5° for sp3-bonded atoms.

However, in contrast to cyclohexane, graphane cannot interconvert between these different conformers because not only are they topologically different, but they are also different structural isomers with different configurations.