Figure 3
The crenel modulation function of the Si2 atom. x3-x4 map, intersecting the four-dimensional Fobs Fourier synthesis at x1 = 0, x2 = 0.136. Contour lines from 3 to 30 e Å-3 in intervals of 3 e Å-3. The map is summed up in x1 and x2 over the range 0.5 Å. |