Figure 2
Residual density map in the plane of atoms Ni(1), N(3) and N(2). Positive, negative and zero contours are represented by solid, dashed and dotted curves. Contour spacing 0.05 e Å−3. The maximum positive density in this plane is 0.147 e Å−3, the minimum negative density is −0.074 e Å−3. |