Figure 1
The structure of (I), showing the atom-numbering scheme. Displacement ellipsoids are drawn at the 10% probability level. H atoms have been omitted for clarity. [Symmetry codes: (A) x, y, z − 1; (B) x, y, z + 1; (C) 1 − x, −y, z; (D) 2 − x, −y, z.] |