152489.fig.0020a
(a)
152489.fig.0020b
(b)
152489.fig.0020c
(c)
Figure 20: Differential planar electron density for B (a) and Be (b), respectively: solid and dotted contours indicate electron accumulation and depletion, respectively. (c) Differential planar electron density along the -axis for B and Be. The positions of the H2 and B (Be) are indicated. From [23]; copyright 2006 by the American Physical Society.