Fig. 5.

Potential energy surface profiles for N1–C1′ bond cleavage. Shown for the ground and vertical excited states of rT anions (TNI^*). The energies were scaled by adding −1.6 eV to the actual calculated values (Supplementary Figure 8) to match with the theoretical adiabatic electron affinity (2.1 eV) of rT. The light blue solid line is the proposed path leading to barrierless fast N1–C1′ bond dissociation