Figure 1
Views of (a) the imide hinge CO...CO torsional twist angle; (b) the syn- and anti-conformations of the isophthaloyl groups; (c) the isophthaloyl OC...CO torsion angle and (d) the cisoid and transoid orientations of the meta-related isophthaloyl C=O groups.  [article HTML]

© International Union of Crystallography 2013