Doppeldecker "C" model
All calculations on the B3LYP/6-311+G* level. Diffuse functions are important for the anions.
Partial atomic charges
Dipole Moment and polarizability
Molecular coordinate system has different axises than you think.
Neutral
Dipole moment (field-independent basis, Debye): X= -0.6892 Y= -0.6504 Z= 0.0000 Tot= 0.9476
... polar still running
Anion
Dipole=-3.4916569,-0.4924172,0.0 ... polar still running
Orbitals
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HOMO neutral molecule
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LUMO neutral molecule
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SOMO anion