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Influence of isomerism on chiroptical properties: a) UV (in black) and gabs (color) spectra measured in toluene at 1 × 10−3 m, oscillator strengths are plotted to visualize transitions but are not scaled. For gabs = f (λ) blue traces correspond to molecules with (R)- configuration and red traces correspond to molecules with (S)-configuration; b) HOMO of the four different isomers.
