|   | 
        HOMO | 
        LUMO | 
          | 
       
      
        | Species | 
        EHOMO  | 
        NIa | 
        BZb | 
        SGc | 
        ELUMO | 
        NI | 
        BZ | 
        SG | 
        Eg  | 
       
      
        | 1 | 
        -6.54 | 
        85.5 | 
        14.4 | 
        0.1 | 
        -2.69 | 
        92.7 | 
        7.3 | 
        0.0 | 
        3.85 | 
       
      
        | 2 | 
        -6.54 | 
        84.4 | 
        14.2 | 
        1.4 | 
        -2.69 | 
        92.6 | 
        7.4 | 
        0.0 | 
        3.85 | 
       
      
        | 3 | 
        -6.41 | 
        4.9 | 
        0.0 | 
        95.1 | 
        -2.77 | 
        93.0 | 
        7.0 | 
        0.0 | 
        3.64 | 
       
      
        | 4 | 
        -6.81 | 
        53.6 | 
        8.5 | 
        37.9 | 
        -3.02 | 
        92.8 | 
        6.9 | 
        0.2 | 
        3.79 | 
       
      
        | 5 | 
        -6.59 | 
        83.8 | 
        13.4 | 
        2.8 | 
        -2.74 | 
        92.9 | 
        6.9 | 
        0.2 | 
        3.85 | 
       
      
        | 6 | 
        -6.44 | 
        1.9 | 
        0.1 | 
        98.1 | 
        -2.87 | 
        92.9 | 
        7.1 | 
        0.0 | 
        3.57 | 
       
      | 
  
  
    | a NI: 1,8-naphthalimide moieties; b BZ: benzene moieties; c SG: substituent groups | 
  
  
    | Table1: The FMOs Energies EHOMO and ELUMO, HOMO–LUMO gaps (eV), and    HOMOs and LUMOs Contributions (%) of 1–6. |