Figure 1.

Vertical S0→S1 excitation energies of the E out and E in isomers of motors a) 1 a–4 a, b) 1 b–4 b, c) 1 c–4 c, and d) 1 d–4 d in the near‐UV (λ<400 nm, >3.1 eV) or visible (λ>400 nm, <3.1 eV) regime calculated with CASPT2 and CC2.

Vertical S0→S1 excitation energies of the E out and E in isomers of motors a) 1 a–4 a, b) 1 b–4 b, c) 1 c–4 c, and d) 1 d–4 d in the near‐UV (λ<400 nm, >3.1 eV) or visible (λ>400 nm, <3.1 eV) regime calculated with CASPT2 and CC2.