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. 1999 Jul 20;96(15):8338–8343. doi: 10.1073/pnas.96.15.8338

Figure 6.

Figure 6

Skeletal electrostatic perturbation of the π-electron states of 7-AI. HDF calculated S0 and S1 state energies for the 7-AI neutral base (Fig. 1B), deprotonated anion (Fig. 1A), and protonated cation (Fig. 1C).