Table 2.

Selected FT-IR spectral data for Sn(IV) complexes 1–3.

Sn(IV) Complex	FT-IR (ν, cm−1)
	C=O (as)	C=O (s)	C=C	Sn–C	Sn–O
1	1643	1541	1458	526	445
2	1643	1541	1456	524	449
3	1651	1548	1454	524	447