Table 1.

Selected Bond lengths [Å] and angles [°] for (I)

Bond lengths
Sn(1)-O(1A)	2.037(8)	Sn(2)-C(20)	2.1432)
Sn(1)-C(1)	2.083(17)	Sn(2)-O(6)	2.151(9)
Sn(1)-C(5)	2.086(15)	Sn(2)-O(3A)	2.251(10)
Sn(1)-O(1)	2.183(8)	O(1)-Sn(1A)	2.037(8)
Sn(1)-O(2)	2.269(8)	O(2)-C(9)	1.258(14)
Sn(2)-O(1)	2.043(7)	O(3)-C(9)	1.261(14)
Sn(2)-C(16)	2.119(19)	O(3)-Sn(2A)	2.251(10)
Bond angles
O(1A) -Sn(1)-C(1)	106.6(5)	C(5)-Sn(1)-O(2)	87.0(4)
O(1A)-Sn(1)-C(5)	110.6(4)	O(1)-Sn(1)-O(2)	165.6(3)
C(1)-Sn(1)-C(5)	141.4(6)	O(1)-Sn(2)-C(16)	109.0(5)
O(1A)-Sn(1)-O(1)	76.4(3)	O(1)-Sn(2)-C(20)	113.1(6)
C(1)-Sn(1)-O(1)	100.0(5)	C(16)-Sn(2)-C(20)	136.4(7)
C(5)-Sn(1)-O(1)	98.2(4)	O(1)-Sn(2)-O(6)	79.6(3)
O(1A)-Sn(1)-O(2)	89.2(3)	C(16)-Sn(2)-O(6)	102.5(6)
C(1)-Sn(1)-O(2)	83.7(5)	C(20)-Sn(2)-O(6)	95.8(6)
O(1)-Sn(2)-O(3A)	91.9(4)	Sn(1A)-O(1)-Sn(1)	103.6(3)
C(16)-Sn(2)-O(3A)	84.6(6)	Sn(2)-O(1)-Sn(1)	118.9(4)
C(20)-Sn(2)-O(3A)	83.1(6)	C(9)-O(2)-Sn(1)	138.2(8)
O(6)-Sn(2)-O(3A)	170.4(3)	C(9)-O(3)-Sn(2A)	135.4(9)
Sn(1A)-O(1)-Sn(2)	137.4(4)	C(24)-O(6)-Sn(2)	118.5(8)
O(2)-C(9)-O(3)	123.1(12)