The spectrum of d1 Ti3+(aq) is attributed to a single electronic transition eg ← t2g. The band shown in the spectrum is not symmetrical and suggests that more than one state is involved. What could be the reason for this observation?
1
Spin-orbit coupling effects leading to multiple closely spaced energy levels
2
Vibrational fine structure superimposed on the electronic transition
3
Jahn-Teller Distortion (JTD) causing splitting of degenerate orbitals
4
Presence of multiple excited electronic states
5
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