The electronic spectrum of TiH2O63+ shows a single broad peak with a maximum at 20,300   cm−1 . The crystal field stabilization energy (CFSE) of the complex ion, in kJ  mol−1, is : 1   kJ   mol−1=83.7  cm−1

complex  TiH2O6+3 gives a peak at 20,300 Gm−1The crystal field strabilization energy is Δ0=hcr¯∴Δ0=6.625×10-34×3×108×20,300=4×10-19 J/ molecule =6.023×1023×4×10-19 J/mole=243005 J/mole=243 kJ/mole∣Ti-22[Ar]4s23d2Ti+3-[Ar]4s°3d1 CFSE=0.4Δ0=0.4×243 kJ/mole=97 kJ/mole