Figure 2 The crystal structure of (I), projected along the c axis. The dashed lines indicate short intermolecular contacts with NO, CC and OC distances less than 3.0, 3.2 and 3.0 Å, respectively. [Symmetry mode: (x) 1/2-x, 3/2-y, z; (xi) 1/2-x, 5/2-y, z]

© International Union of Crystallography 2008