Complex Band Position (cm-1) Assignment Dq (cm-1) B (cm-1) β υ2/υ1 LFSF (KJmol-1) µeff.b (B.M) Geometry
IV - - 1960.6 - - - 140.71 1.92 Tetrahedral
V 9520 3A2g3T2g(F) 952.2 966 0.92 1.72 136.7 3.1 Octahedral
  16390 3A2g3T1g(F)              
  26665 3A2g3T1g(P)              
VI 8695 4T1g4T2g(F) 869.5 819.3 0.84 1.97 83.2 4.46 Octahedral
  17100 4T1g4A2g(F)              
  2127 4T1g4T1g(P)              
 
Table 8: Electronic spectral bands, assignments ligand field parameters for complexesa. aThe serial number corresponds to that used in Table 5. bPer metal ion and measured at room temperature