Figure 3
A perspective view of the packing of (I), viewed approximately along the a axial direction. The angle (α) between the lines through the centres of the indole rings in the brucine repeat unit is also shown. Hydrogen-bonding associations are shown as broken lines. [Symmetry codes: (v) x − 1, y, z; (vi) −x + 1, y − ; −z + ; for other codes, see Table 1.] |