Figure 2
The large 28-membered ring and smaller eight-membered ring in (I). The o-phenanthroline ligands have been omitted for clarity. [Symmetry codes: (A) x, 1 − y, − + z; (B) x, 1 − y, + z; (C) 1 − x, 1 − y, 1 − z; (D) 1 − x, y, − z; (E) 1 − x, 1 − y, 2 − z.] |