| 
            Symmetry point group | 
        C2v | 
      
      
        | 
          
            Symmetry elements
          
         | 
        E     C2(z)     &sigmav(xz)    
          &sigmav(yz)
         | 
      
          
        | Irriducible representation &Gamma3N
         | 
        42 A1 + 21 A2 + 42 B1 + 21 B2
         | 
      
      
        | Irriducible representation &Gammavib
         | 
        41 A1 + 20 A2 + 40 B1 + 19 B2
         | 
      
      
        | Infrared active modes | 
        41 A1 + 40 B1 + 19 B2
         | 
      
        
        | Single ionization energy (eV) | 
        
          
         | 
      
      
        | Double ionization energy (eV) | 
        
          
            
              | Singlet: | 
              Adiab. = 17.10 | 
              Vert. = 17.30 | 
              (Exp. ) | 
             
            
              | Triplet: | 
              Adiab. = 17.21 | 
              Vert. = 17.29 | 
             
           
         | 
      
      
        | Electron affinity (eV) | 
        
          
            
              | Adiab. = 0.74 | 
              Vert.  = 0.66 | 
              (Exp. ) | 
             
           
         | 
      
      
        | Zero Point Energies (kcal/mol) | 
        
          
            
              | Anion = 204 | 
              Neutral = 208 | 
              Cation = 208 | 
              Dication S = 207 | 
             
           
	 | 
      
      
        | Static dipole polarizabilities (Å3) | 
        
          
            
              | Anion: | 
              &alphaxx = 74  | 
              &alphayy = 23  | 
              &alphazz = 104  | 
             
            
              | Neutral: | 
              &alphaxx = 65 | 
              &alphayy = 22 | 
              &alphazz = 84 | 
             
            
              | Cation: | 
              &alphaxx = 94 | 
              &alphayy = 68 | 
              &alphazz = 20 | 
             
            
              | Dication S: | 
              &alphaxx = 98 | 
              &alphayy = 68 | 
              &alphazz = 19 | 
             
           
         | 
      
      
        | Permanent dipole moment (Deb) | 
        
          
            
              | Anion: | 
              &mux = 0.00  | 
              &muy = 0.00  | 
              &muz = -0.03  | 
             
            
              | Neutral: | 
              &mux = 0.00 | 
              &muy = 0.00 | 
              &muz = -0.01 | 
             
            
              | Cation: | 
              &mux = 0.00 | 
              &muy = 0.00 | 
              &muz = +0.11 | 
             
            
              | Dication S: | 
              &mux = 0.00 | 
              &muy = 0.00 | 
              &muz = -0.09 | 
             
            
              | Dication T: | 
              &mux = 0.00 | 
              &muy = 0.00 | 
              &muz = +0.77 | 
             
           
         | 
      
      
        | 
          Rotational constants(cm-1)
         | 
        
          
            
              | Anion: | 
              A = 1.059e-02 | 
              B = 5.715e-03 | 
              C = 3.712e-03 | 
             
            
              | Neutral: | 
              A = 1.059e-02 | 
              B = 5.773e-03 | 
              C = 3.736e-03 | 
             
            
              | Cation: | 
              A = 1.065e-02 | 
              B = 5.749e-03 | 
              C = 3.734e-03 | 
             
            
              | Dication S: | 
              A = 1.069e-02 | 
              B = 5.720e-03 | 
              C = 3.726e-03 | 
             
            
              | Dication T: | 
              A = 1.056e-02 | 
              B = 5.782e-03 | 
              C = 3.736e-03 | 
             
           
         | 
      
      
        | 
          van der Waals coefficients (a.u.)#
         | 
        
        
	    
	      | Average static polarizability | 
	      &alpha(0) = 386 | 
           
          
            | Effective frequency | 
            &omega1 = 0.339 | 
           
          
            | Homomolecular Hamaker constant (x10-3) | 
            C6 = 37.9 | 
           
          
            | Coefficient of the retardated vdW interaction (x10-6) | 
            KAA = 5.96 | 
           
         
         |