The charge transfer spectral properties of group IV A tetrahalides (where M=Ti, Zr or Hf and X=F, Cl, Br or I) have been calculated using the Ms-Xα method and compared with experimental values. The order of ligand-to-metal charge transfer energies corresponds to the one-electron oxidation potential of X→X+e−(F−/F, Cl−/Cl, Br−/Br and I−/I). The dependence of the ligand-to-metal charge transfer energies on the optical electronegativity of the ligand has been demonstrated. The nature of bonding of the group IVA tetrahalides has been analysed using the MS-Xα method.
Volume 134, 2022
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