Figure 11
From: An activatable NIR turn-on fluorescent probe for copper (II) ion and live cell imaging

(a) Optimized geometry of probe, (b) Optimized geometry of Cu@probe at site A, (c) Optimized geometry of Cu@probe at site B, (d) Optimized geometry of Cu@probe at site C, (e) Optimized geometry of Cu@probe at site D, (f) QTAIM analysis of Cu@probe complex.