Figure 3
(a) Perpendicular and (c) parallel views of the dimeric unit in (I) [symmetry code: (i) −x + 1, −y, −z + 1], and (b) perpendicular, and (d) parallel views of the dimeric unit in (II) [symmetry codes: (ii) x + 1, y, z; (iii) x − 1, y − 1, z]. Only the major contributing diastereomeric pair is shown for (II). Displacement ellipsoids are drawn at the 40% probability level and dotted lines indicate hydrogen bonds. |