Figure 5
(a) Laplacian of the electron density at [±2n × 10−3 e Å−5 (0 ≤ n ≤ 20), negative values solid] and (b) gradient trajectories, (3, −1) critical points (black), (3, +1) critical points (white) and (3, +3) critical points (grey) in the dianion in (1). |