Yes, monolayer graphene with adatoms in center of lattice. like this: http://www.nature.com/nphys/journal/v8/n2/images/nphys2181-f1.jpg
On 30 May 2013 20:08, Paolo Giannozzi wrote: > On Thu, 2013-05-30 at 16:39 +0200, yelena wrote: > >> ATOMIC_POSITIONS crystal >> C 0.000000 0.000000 0.000000 >> C 0.333333 -0.33333 0.000000 >> Li 0.666666 0.333333 0.000000 > > all these atoms are in the same plane (xy). Is this what you want? > > P.