Figure 3: Absorption and EPR spectra for 1·+.
From: Isolation and reversible dimerization of a selenium–selenium three-electron σ-bond

(a,c) EPR spectra for 1·+[Al(ORF)4]− (a) and 1·+SbF6− (c) in CH2Cl2 (1 × 10−4 M, 298 K). (b,d) Absorption spectra for 1·+[Al(ORF)4]− (b) and 1·+SbF6− (d) in CH2Cl2 (1 × 10−4 M, 298 K).