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. Author manuscript; available in PMC: 2015 Feb 1.
Published in final edited form as: J Mol Graph Model. 2013 Oct 24;0:10.1016/j.jmgm.2013.10.007. doi: 10.1016/j.jmgm.2013.10.007

Figure 2.

Figure 2

Top and side views of orbital iso-surfaces (0.002au) of graphene-guanine complex from HOMO to HOMO-5. Orbital energies are in parantheses. Orbital interaction occurs only in HOMO-2, HOMO-3 and HOMO-4.