Organotin Compound Derived from 3-Hydroxy-2-formylpyridine Semicarbazone: Synthesis, Crystal Structure, and Antiproliferative Activity

Table 3

Geometric parameters for hydrogen bonds and for C–H—π and π ⋯π interactions in 2.

D	H	A	H⋯A	D⋯A
N(3) –H(3A) ⋯N(4)^(i)		2.29(2)	3.070(3)	175(3)
N(3) –H(3B) ⋯O(2)^(ii)		2.07(3)	2.925(2)	183(4)
C(3) –H(3) ⋯N(2)^(i)		2.34(2)	3.280(3)	170(3)
C(19) –H(19) ⋯O(2)		2.51(2)	3.087(3)	119
C–H(I)→Cg(J)^(a)		H–Cg	C–Cg	∠C–H–Cg
C(7) –H(7)→Cg(5)^(iii)	2.76	3.619(2)	151
C(12) –H(12)→Cg(5)^(iv)	2.86	3.722(3)	152
Cg(I)→Cg(J)^(a)	Cg–Cg^(b)	β ^(c)	CgI–Perp^(d)	CgJ–Perp^(e)
Cg(3)→Cg(4)^(v)	3.824(2)	10.55	3.7122(8)	3.759(2)
Cg(4)→Cg(3)^(iv)	3.823(2)	10.55	3.759(2)	3.7121(8)

(a)Where Cg(3), Cg(4), and Cg(5) are referred to the centroids N(4)C(1)C(2)C(5)C(6)C(7), C(8)–C(14), and C(14)–C(19); (b)Cg–Cg is the distance between ring centroids; symmetry transformations, (i) 2−𝑥, 1−𝑦, −𝑧; (ii) 1−𝑥, 1−𝑦, −𝑧; (iii) 1+𝑥, 𝑦, 𝑧; (iv) −1/2+𝑥, 1/2−𝑦, −1/2+𝑧; (v) 1/2+𝑥, 1/2−𝑦, 1/2+𝑧; (c)Where 𝛽 is the angle Cg(I)→Cg(J) or Cg(i)→Me vector and normal to plane I (∘); (d)CgI–Perp is the perpendicular distance of Cg(I) on ring J; (e)CgJ–Perp is the perpendicular distance of Cg(J) on ring I.