Fig. 4
From: Spin–phonon couplings in transition metal complexes with slow magnetic relaxation

Peak positions vs. magnetic fields for selected transitions in the Raman spectra. a 1; b 1-d 4 ; c 1-d 18 . The solid lines are fittings using Eq. (2), giving the coupling constants |Λ|. Arrows point to corresponding avoided crossings for |Λ|