My currently primitive understanding of metal complexes is that the d orbital splitting depends on:

  • Identity of central ion
  • Charge density of ligand
  • Geometry of complex ion
  • oxidation number of transition metal

However, I was looking for a continuous variable that could alter the splitting of the d orbitals, hence produce a change in wavelength of light transmitted.

Could the presence of different concentrations of non-chelating ions in the solution, or the temperature of the solution itself, have an effect on the d orbital splitting?

  • $\begingroup$ The full electronic properties of the ligand matter, not just its charge density. $\endgroup$ – Zhe Mar 18 at 15:03

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