Figure 1
ORTEPII (Johnson, 1976 ) drawings of the molecules with the atom-numbering schemes. Displacement ellipsoids for non-H atoms are drawn at the 50% probability level and H atoms are drawn as spheres with radii of 0.1 Å. (a) (2), 4-Cl-Ph, (b) (5), 4-Ph-Ph, (c) (6), 4-Py, and (d) (7), 3,5-diCl-Ph. |