Research Article

The Electronic Structure of Graphene Nanoislands: A CAS-SCF and NEVPT2 Study

Table 9

Orbital energies () and occupancies () at RHF level for T_n.

Molecule Orbital
OrbitalSTO-3G
Symmetry

T_2HOMO1.0000

T_3HOMO2.0000

T_4HOMO2.0000
HOMO-11.0000

T_5HOMO1.0000
HOMO-12.0000
HOMO-21.0000

T_6HOMO2.0000
HOMO-12.0000
HOMO-21.0000

T_7HOMO1.0000
HOMO-12.0000
HOMO-22.0000
HOMO-31.0000