Figure 2
Data at 100 K. (Left) The molecular structure of 7a, with displacement ellipsoids drawn at the 50% probability level. (Right) Superposition of the 7a and 7b molecules. Selected bond distance data (Å): Sn1—C1 2.1759 (14); Sn2—C31 2.1830 (14); Sn1—C8 2.1840 (14); Sn2–C38 2.1818 (14); Sn1—C18 2.1466 (13); Sn2–C48 2.1507 (14); Sn1—C24 2.1343 (14); Sn2—C54 2.1420 (14). Selected torsion (absolute) data (°): O1⋯Sn1—C18—C19 41.9; O2⋯Sn2—C48—C49 68.8. |